|
|
| Line 13: |
Line 13: |
| | | | |
| | ===SBC engine casting numbers=== | | ===SBC engine casting numbers=== |
| − | {{Note1}} The Mortec site is no longer available. The info has been archived below.
| + | *[http://www.mortec.com/castnum.htm Small-Block Chevy V8 Casting numbers] by Mortec |
| − | *[[Identifying Chevy engines#Mortec info|'''Mortec info''']]
| + | |
| | *[http://outintheshop.com/faq/casting/castings2.html Chevy BB and SB casting number "go-to" site] from outintheshop.com | | *[http://outintheshop.com/faq/casting/castings2.html Chevy BB and SB casting number "go-to" site] from outintheshop.com |
| | *[http://www.nastyz28.com/sbchevy/sblock.html Smallblock info] from nastyz28.com | | *[http://www.nastyz28.com/sbchevy/sblock.html Smallblock info] from nastyz28.com |
| Line 23: |
Line 22: |
| | | | |
| | ===BBC casting numbers=== | | ===BBC casting numbers=== |
| | + | *[http://www.mortec.com/bbc.htm Big Block Chevy V-8 Casting Numbers] by Mortec |
| | *[http://www.nastyz28.com/bbcmenu.php Big Block Chevy Engine Parts Identification] from nastyz28.com | | *[http://www.nastyz28.com/bbcmenu.php Big Block Chevy Engine Parts Identification] from nastyz28.com |
| | *[http://chevellestuff.net/qd/block_casting_by_year.htm Chevelle-specific] block casting number info | | *[http://chevellestuff.net/qd/block_casting_by_year.htm Chevelle-specific] block casting number info |
| Line 71: |
Line 71: |
| | | | |
| | ===Vortec block cylinders=== | | ===Vortec block cylinders=== |
| − | The newer Vortec era blocks (1996-up) have a slightly shorter bore at the bottom, nearest the cam tunnel, as shown below left (on the right is a c/n 010 block). This isn't a problem in most cases, but if a stroker crank is being considered, this should be looked into to be sure there'll be no issues due to the lack of piston support at BDC. | + | The newer Vortec era blocks (1996-up) have a slightly shorter bore at the bottom, nearest the cam tunnel, as shown below left. This isn't a problem in most cases, but if a stroker crank is being considered, this should be looked into to be sure there'll be no issues due to the lack of piston support at BDC. |
| | | | |
| − | [[File:SBC BORE DEPTH 002.jpg|left]][[File:010 block.jpg|right]] <br style="clear:both"/> | + | [[File:SBC BORE DEPTH 002.jpg|left]]<br style="clear:both"/> |
| | | | |
| | ==SBC Head casting numbers== | | ==SBC Head casting numbers== |
| Line 124: |
Line 124: |
| | One of the easiest ways to tell a tall deck BBC block from a standard 9.8" deck height BBC block is to check the distance from the top water pump bolt hole to the block deck. A standard block (below left) will have very little space between the hole and deck; a tall deck block will have around 1/2" between the hole and deck (below right). | | One of the easiest ways to tell a tall deck BBC block from a standard 9.8" deck height BBC block is to check the distance from the top water pump bolt hole to the block deck. A standard block (below left) will have very little space between the hole and deck; a tall deck block will have around 1/2" between the hole and deck (below right). |
| | | | |
| − | [[File:454 deck.JPG]][[File:Bbc tall deck.jpg]] | + | [[File:454 deck.JPG|355px]][[File:Bbc tall deck.jpg|305px]] |
| | + | <br style="clear:both"/> |
| | | | |
| | ==BBC 502== | | ==BBC 502== |
| Line 133: |
Line 134: |
| | ==Resources== | | ==Resources== |
| | *[[Chevy engine casting numbers]] | | *[[Chevy engine casting numbers]] |
| − |
| |
| − | ==Mortec info==
| |
| − | {{Note1}} The Mortec site is no longer available. The info has been archived here.
| |
| − | *Return to '''[[Identifying Chevy engines #SBC engine casting numbers|SBC engine casting numbers]] ''' above.
| |
| − | *Return to [http://www.crankshaftcoalition.com/wiki/Swirl_port_SBC_heads#Resources '''Swirl port SBC heads/Resources''']
| |
| − |
| |
| − | ===Mortec SBC block casting numbers===
| |
| − |
| |
| − | <pre style="border:none;">
| |
| − |
| |
| − | SBC BLOCK CASTING NUMBERS
| |
| − |
| |
| − | CASTING NUMBER.....SIZE...YEAR...MAIN CAP BOLTS....NOTES
| |
| − |
| |
| − | 140029.....350...80-84...2
| |
| − | 330817.....400...72-80...2
| |
| − | 355909.....262.....75....2
| |
| − | 355909.....305...76-79...2
| |
| − | 360851.....262...75-76...2...Monza V8
| |
| − | 361979.....305...77-79...2 or 4, some Canadian assembled heavy duty blocks have
| |
| − | 4-bolt main caps
| |
| − | 366245.....350...78-79...4...Bowtie
| |
| − | 366286...................4...Bowtie, siamesed, straight nodular iron main caps,
| |
| − | 2-piece seal, 4.00”-4.150" bores, 2.45" main journals
| |
| − | 366298...................4...Bowtie, Aluminum, billet main caps, 3.398" bore
| |
| − | with sleeves, two piece rear main seal
| |
| − | 366299...................4...Bowtie, Aluminum, nodular iron splayed caps,
| |
| − | wet sump, 4.00" bore
| |
| − | 389257.....302.....67....2
| |
| − | 393288.....283...65-67...2
| |
| − | 460703.....350.....78....4
| |
| − | 460776.....305...78-79...2
| |
| − | 460777.....305...78-79...2
| |
| − | 460778.....305...78-79...2 or 4, some Canadian assembled heavy duty
| |
| − | truck blocks have 4-bolt main caps
| |
| − | 471511.....267...79-82...2
| |
| − | 3556519....283...58-61...2
| |
| − | 3703524....265.....55....2...No oil filter
| |
| − | 3720991....265...56-57...2
| |
| − | 3731548....265...57......2...No side motor mounts
| |
| − | 3731548....283...57......2...No side motor mounts
| |
| − | 3737739....283...58-64...2
| |
| − | 3756519....283...58-62...2
| |
| − | 3782870....327...62-67...2
| |
| − | 3789817....283...62-64...2
| |
| − | 3789817....327...62-67...2
| |
| − | 3789935....283...61-64...2
| |
| − | 3790721....283...62-64...2...Chevy II recessed oil filter boss
| |
| − | 3790721....327...65-66...2...Chevy II recessed oil filter boss
| |
| − | 3791362....327...62-67...2...Chevy II recessed oil filter boss
| |
| − | 3792563....327.....65....2
| |
| − | 3792582....283...64-65...2
| |
| − | 3794226....283...58-63...2
| |
| − | 3794460....327...62-64...2
| |
| − | 3830944....327.....63....2
| |
| − | 3834810....283...64-66...2
| |
| − | 3834812....283...62-63...2
| |
| − | 3837739....283...58-62...2
| |
| − | 3849852....283...57-66...2
| |
| − | 3849935....283...65-67...2
| |
| − | 3858174....327...64-67...2
| |
| − | 3858180....327...64-67...2
| |
| − | 3858618....350...68-76...2
| |
| − | 3862194....283...65-67...2...Chevy II recessed oil filter boss
| |
| − | 3862812....283...62-64...2
| |
| − | 3892657....302.....67....2...Z-28 Camaro
| |
| − | 3892657....327.....67....2
| |
| − | 3892657....350.....67....2...Camaro
| |
| − | 3896944....283...66-67...2
| |
| − | 3896948....283...66-67...2
| |
| − | 3903352....327.....67....2
| |
| − | 3914636....307.....68....2
| |
| − | 3914638....307.....68....2
| |
| − | 3914653....307...68-73...2
| |
| − | 3914660....327.....68....2
| |
| − | 3914678....302.....68....2...Z-28 Camaro
| |
| − | 3914678....327.....68....2
| |
| − | 3914678....350.....68....2
| |
| − | 3931174....307.....68....2...Truck
| |
| − | 3932371....307...69-73...2
| |
| − | 3932373....307...68-73...2
| |
| − | 3932386....302.....69....4...Z-28 Camaro
| |
| − | 3932386....327.....69....2
| |
| − | 3932386....350.....69....2 or 4
| |
| − | 3932388....327.....69....2
| |
| − | 3932388....350.....69....2 or 4
| |
| − | 3933180....327...68-69...2
| |
| − | 3951509....400...70-71...4
| |
| − | 3951509....400...74-80...2
| |
| − | 3951511....400...70-73...4...Some replacement blocks had 2-bolt main caps
| |
| − | 3956618....302.....69....4...Z-28 Camaro
| |
| − | 3956618....327...68-69...2
| |
| − | 3956618....350.....69....2 or 4
| |
| − | 3956632....307.....69....2
| |
| − | 3959512....327...62-67...2...Was also used for some "CE" replacement blocks
| |
| − | 3959532....283...64......2...Used for some "CE" replacement blocks
| |
| − | 3959538....327...........2...Chevy II recessed oil filter boss, used for
| |
| − | some Chevy II "CE" replacement blocks
| |
| − | 3970010....302.....69....4...Z-28 Camaro
| |
| − | 3970010....327.....69....2...Trucks and industrial
| |
| − | 3970010....350...69-80...2 or 4
| |
| − | 3970014....350...70-76...2 or 4
| |
| − | 3970020....307...69-73...2
| |
| − | 3970024....307...69-73...2
| |
| − | 4715111....305.....80....2
| |
| − | 6259425....350...69-76...2
| |
| − | 10036033...350...........4...Goodwrench crate motor, 2-piece rear seal,
| |
| − | "Hecho en Mexico"
| |
| − | 10046164...305.....86....2
| |
| − | 10049804.................4...Aluminum, Pontiac Super Duty version of
| |
| − | Gen. 1 SBC, 4.00" bore, 350 mains, 2-piece rear seal, splayed caps,
| |
| − | GTP race block
| |
| − | 10051182.................2 or 4...Bowtie, 3.75"-4.30" bores, 1 or 2-piece rear seal
| |
| − | 10051184.................4...Bowtie, 4.00"-4.155" bores, 1 or 2-piece rear seal
| |
| − | 10054727...350...86-up...2 or 4...one piece rear seal, some "Made in Canada"
| |
| − | 10066036...350...........2 or 4...Target Master/Goodwrench crate motor,
| |
| − | 2-piece rear seal, "Hecho en Mexico"
| |
| − | 10066038...350.....92....4...Goodwrench crate motor, 2-piece rear seal,
| |
| − | "Hecho en Mexico"
| |
| − | 10090511...350.....90....2...LT5, ZR1 Vette, 375hp
| |
| − | 10125327...350...92-up...2 or 4...Gen. 2 LT1, reverse flow cooling
| |
| − | 10125327...350...96-up...2 or 4...Gen. 2 LT4, reverse flow cooling
| |
| − | 10134398.................4...Bowtie, Aluminum, 4.125" bore, 2.65" main journals
| |
| − | 10134996.................4...Bowtie, Aluminum, 4.125" bore, 2.65" main journals
| |
| − | 10153558...350...91-92...4...LT5, ZR1 Vette, 375hp
| |
| − | 10168588...265...94-96...2...L99, Gen. 2, 4.3 Liter V-8, Caprice,
| |
| − | reverse flow cooling
| |
| − | 10199001...350...93-95...4...LT5, ZR1 Vette, 405hp
| |
| − | 10243878...305...96-98...2...Vortec truck, roller cam, one-piece rear seal
| |
| − | 10243880...350...95-00...2 or 4...Vortec truck, Gen. 1 crate motors and "ZZ4",
| |
| − | roller cam, one piece rear seal
| |
| − | 12550592...350...97-up...crossbolted block, Gen. 3, "LS1", aluminum
| |
| − | 12551358.........99-up...Gen. 3, 4.8L or 5.3L, cast iron, truck
| |
| − | 12551364...364...98-04...crossbolted cast iron Gen. 3, 6.0L, truck
| |
| − | 12559378...350...99-up...crossbolted block, Gen. 3, "LS1", aluminum
| |
| − | 12559846...350...98-up...crossbolted block, Gen. 3, "LS1", aluminum
| |
| − | 12560621...350...98-up...crossbolted block, Gen. 3, "LS1", aluminum
| |
| − | 12560626...350...99-up...crossbolted block, Gen. 3, "LS1", aluminum
| |
| − | 12560629...350...99......crossbolted block, Gen. 3, "LS1", aluminum
| |
| − | 12561168...350...01-up...crossbolted block, Gen. 3, "LS1", aluminum
| |
| − | 12562174...350...98-up...crossbolted block, Gen. 3, "LS1", aluminum
| |
| − | 12568952...364...05-up...crossbolted block, Gen. 3, 6.0L, aluminum, LS2
| |
| − | 12566910...325...04-up...crossbolted block, Gen. 3, 5.3L, aluminum, SSR truck
| |
| − | 12571048...325...04-up...crossbolted block, Gen. 3, 5.3L
| |
| − | 12573581...364...98-04...crossbolted cast iron, Gen. 3, 6.0L, truck
| |
| − | 12577184...364...98-04...crossbolted cast iron, Gen. 3, 6.0L, truck
| |
| − | 12577396.........02-up...Gen. 3, 4.8L or 5.3L, cast iron, truck
| |
| − | 14010201...305...80-85...2
| |
| − | 14010202...305...80-85...2
| |
| − | 14010203...305...80-85...2
| |
| − | 14010207...350...80-85...2 or 4
| |
| − | 14010209...350...80-85...2 or 4
| |
| − | 14010280...267...79-82...2
| |
| − | 14011064...350...83......4
| |
| − | 14011148...350...87-89.......Roller cam, one-piece rear seal
| |
| − | 14016376...267...79-82...2
| |
| − | 14016379...350...77-79...2 or 4
| |
| − | 14016381...305...80-84...2
| |
| − | 14016382...305...79-84...2
| |
| − | 14016383...305...80-85...2...Truck
| |
| − | 14079287...350...86-90.......Truck
| |
| − | 14088526...350...87-89.......Roller cam, one-piece rear seal
| |
| − | 14088548...350...86-88...2 or 4
| |
| − | 14088551...305...86-87...2...one-piece rear main seal
| |
| − | 14093627...305...87-94...2...Roller or flat tappet cam, one-piece rear seal
| |
| − | 14093638...350...87-95...2 or 4...Roller or flat tappet cam, one-piece rear seal
| |
| − | 14094766...305...86-up...2...One-piece rear seal
| |
| − | 14101147...305...85-up...2
| |
| − | 14101148...350...86-90...4...One-piece rear seal
| |
| − | 14102058...305...87-91...2...Roller cam, one-piece rear seal
| |
| − | 22551656.................4...Chevy/Olds Rocket block, 4.00"-4.190" bores,
| |
| − | 2.45" main journal, splayed caps, dry sump,
| |
| − | 2-piece rear seal, 9.025" deck
| |
| − | 22551660.................4...Chevy/Olds Rocket block, 4.00"-4.190" bores,
| |
| − | 400 main journal, splayed steel caps, wet sump,
| |
| − | raised cam,
| |
| − | 2-piece rear seal, 9.300" deck
| |
| − | </pre>
| |
| − |
| |
| − | ===Mortec SBC head casting numbers===
| |
| − | <pre style="border:none;">
| |
| − | SMALL BLOCK HEAD CASTING NUMBERS:
| |
| − |
| |
| − | 330545.....73......350..........76cc chamber, 2.02”/1.60”
| |
| − | 333881.....74-75...350..........76cc chamber, 2.02”/1.60”
| |
| − | 333882.....74-80...350/400......76cc chamber
| |
| − | 340292.....70's.......Over the counter, angle plug, 64cc chamber
| |
| − | 354434.....75-79...262/267/305...60cc chamber
| |
| − | 358741.....76-79...305
| |
| − | 376445.....77-85...350..........76cc chamber, small valves
| |
| − | 376450.....75-81...262/267/305..6 or 7 exhaust bolt holes, 60cc chamber
| |
| − | 462614.....77-79...305..........60cc chamber
| |
| − | 462624.....75-86...350/400......76cc chamber, 1.72”/1.5”, 1.94”/1.5” or 2.02”/1.6” valves
| |
| − | 458642.....75-84...350..........350
| |
| − | 468642.....76-up...350/400
| |
| − | 471513.....79......267/350
| |
| − | 517513.....79......267/350
| |
| − | 1816887....63......283..........Made in Canada, GMC HD truck
| |
| − | 3636839....55......265
| |
| − | 3703523....55......265
| |
| − | 3713358....55-56...265
| |
| − | 3713569....55-56...265
| |
| − | 3725306....56......265
| |
| − | 3731539....57......283..........283 HP FI
| |
| − | 3731544....57-61...283
| |
| − | 3731554....57-62...283
| |
| − | 3731556....57......283..........Truck, made in Canada
| |
| − | 3731762....56......265..........Vette, 2x4 carbs
| |
| − | 3737775....62-67...283/327
| |
| − | 3740997....57......283..........1x4, 2x4 & FI (exc. 283hp)
| |
| − | 3743056....58......283
| |
| − | 3743096....62-67...327..........GMC Truck
| |
| − | 3747363....57-61...283
| |
| − | 3747460....59-67...283/327......70cc chamber
| |
| − | 3748770....58......283
| |
| − | 3748772....58-61...283
| |
| − | 3755537....57-62...283
| |
| − | 3755539....58-62...283
| |
| − | 3755549....57-62...283
| |
| − | 3755550....59......283
| |
| − | 3755585....62-67...327..........GMC Truck
| |
| − | 3767460....59-60...283
| |
| − | 3767462....62-67...327
| |
| − | 3767465....59-61...283
| |
| − | 3767754....59-61...283..........60cc chamber
| |
| − | 3767792....60-64...283
| |
| − | 3774682....60-64...283/327......70cc chamber
| |
| − | 3774684....62-64...327..........75cc chamber
| |
| − | 3774692....58-64...283..........60cc chamber
| |
| − | 3782461....64-66...327......Camel hump, no accessory holes,
| |
| − | 160cc/62cc port volumes, 62cc chamber
| |
| − | 3782461X...60-63...283/327..Camel hump, no accessory holes,
| |
| − | larger 172cc/64cc port volumes, 62cc chamber
| |
| − | 3795896....63-65...283......60cc chamber
| |
| − | 3795896....62-64...327......60cc chamber
| |
| − | 3798996....63-67...327
| |
| − | 3814480....60-67...283/327..70cc chamber, 1.72”/1.5” valves
| |
| − | 3814482....62-67...283/327/350..75cc chamber
| |
| − | 3817680....63-67...283/327
| |
| − | 3817681....62-67...327
| |
| − | 3817682....61-62...283
| |
| − | 3836839....55......265
| |
| − | 3836842....57-67...283/327
| |
| − | 3837064....56-62...265/283
| |
| − | 3837065....55-56...265..........Truck
| |
| − | 3848720....57-58...283
| |
| − | 3876775....60-67...283/327......75cc chamber
| |
| − | 3884520....60-67...283..........Some marked "Made in Canada", 60cc chamber,
| |
| − | also used by Studebaker
| |
| − | 3884520....62-67...327..........Some marked "Made in Canada", 60cc chamber,
| |
| − | also used by Studebaker
| |
| − | 3890462....66-67...302/327/350..Camel hump, no accessory holes, 64cc chamber
| |
| − | 3901068....87-up...350..........Crate motor, 285hp, 64cc chamber
| |
| − | 3911032....68......307/327......70cc chamber
| |
| − | 3912264....58-62...283
| |
| − | 3912265....63-64...283
| |
| − | 3912311....65-67...327
| |
| − | 3912313....65-67...327
| |
| − | 3917290....67-68...307/327
| |
| − | 3917291....67-68...302/327/350..Camel hump, no accessory holes, 64cc chamber
| |
| − | 3917292....68......327/350......Camel hump, 64cc chamber
| |
| − | 3917293....67-68...307/327......75cc chamber
| |
| − | 3927185....69-76...307/327/350..70cc chamber
| |
| − | 3927186....69-70...302/350......Camel hump, 64cc chamber, accessory holes
| |
| − | 3927187....69-70...350..........Camel hump, 64cc chamber, accessory holes
| |
| − | 3927188....69......327..........74cc chamber
| |
| − | 3927188....70......307..........74cc chamber
| |
| − | 3931633....68-73...307
| |
| − | 3931635....68-76...350
| |
| − | 3931638....68......327..........Truck
| |
| − | 3932441....69-70...350..........76cc chamber
| |
| − | 3932441X...69-70...350/400......80cc chamber
| |
| − | 3932454....69-73...307
| |
| − | 3932454....69-79...350..........Truck
| |
| − | 3946812....69......350
| |
| − | 3946813....69-79...350..........Truck
| |
| − | 3947040....68......327.........."Right angle" casting identifier, 64cc chamber,
| |
| − | good HP head, used in trucks, no accessory holes
| |
| − | 3947041....69-70...302/350......"Right angle" casting identifier, 64cc chamber,
| |
| − | accessory holes, good HP head
| |
| − | 3947041X...69-70...302/350......"Right angle" casting identifier, 64cc chamber,
| |
| − | 165cc int. port, accessory holes, good HP head
| |
| − | 3951598....70......400..........76cc chamber
| |
| − | 3964286............350
| |
| − | 3965742....70......350..........Over the counter, angle plug
| |
| − | 3970126....67-71...327/350
| |
| − | 3973370....69-70...350..........Over the counter in US,
| |
| − | Canadian 350/300hp production use in Pontiac, 64cc, straight or angle plug
| |
| − | 3973414....70......350..........LT-1 350/370hp, camel hump, 64cc chamber
| |
| − | 3973487....71-72...350..........1.94”/1.5” or 2.02”/1.6” valves, was also used
| |
| − | on '71 350/330hp LT-1, 75cc chamber
| |
| − | 3973487X...71-72...350..........1.94”/1.5” or 2.02”/1.6” valves, 75cc chamber
| |
| − | 3973493....71-72...400..........76cc chamber
| |
| − | 3986316....71......350..........76cc chamber
| |
| − | 3986336....71......350..........76cc chamber
| |
| − | 3986336X...71......350..........76cc chamber
| |
| − | 3986339....71......307/350......74cc chamber
| |
| − | 3986339X...71......307/350......74cc chamber
| |
| − | 3986388....68-76...307/350
| |
| − | 3991492....70......350..........LT-1, camel hump, accessory holes, 64cc,
| |
| − | straight plug
| |
| − | 3991492....70-up................Over the counter, camel hump, 64cc, straight
| |
| − | or angle plug
| |
| − | 3998916....72......350..........Also used w/'72 350 LT-1, big valves, screw
| |
| − | in studs, 76cc chamber
| |
| − | 3998920....72-73...350
| |
| − | 3998991....72-73...307/350......75cc chamber
| |
| − | 3998993....72-73...307/350......75cc chamber
| |
| − | 3998993....current..350.........Goodwrench crate motors, "Hecho en Mexico",
| |
| − | 75cc chamber
| |
| − | 3998997....72-73...350/400......76cc chamber
| |
| − | 3998997....78-84...305/350......76cc chamber
| |
| − | 4079261....75......350
| |
| − | 10033867........................Aluminum , over the counter Pontiac 23º head,
| |
| − | 62cc, angle plug, 196cc intake port
| |
| − | 10045434........................Over the counter Pontiac 15º head, 55cc,
| |
| − | angle plug, raised runner, aluminum, "roll over" head
| |
| − | 10051101........................Bowtie, aluminum, 55cc, angle plug,
| |
| − | raised runner, 196cc intake port
| |
| − | 10065202...87-95...350..........Truck
| |
| − | 10065203...87-95...350..........Truck
| |
| − | 10065204...87-95...350
| |
| − | 10065205...87-95...305
| |
| − | 10065206...87-95...350
| |
| − | 10065207...87-95...305
| |
| − | 10088113...88-up...350..........Aluminum, 58cc, angle plug,
| |
| − | raised "D"-port exhaust, 1.94"/1.5" valves
| |
| − | 10093328........................Over the counter, Pontiac 15º head, aluminum,
| |
| − | 224cc intake port, 61cc chamber, "roll over" head
| |
| − | 10106178...90......350..........LT5, ZR1, DOHC, 32-valve, pass. side, aluminum
| |
| − | 10106179...90......350..........LT5, ZR1, DOHC, 32-valve, drvs. side, aluminum
| |
| − | 10110810...91-up...350..........Gen. 1, 65cc chamber
| |
| − | 10120928...87-95...350
| |
| − | 10125320...94-96...350..........Gen. 2 LT1, cast iron version,
| |
| − | used on "9C1" Police package, Impala SS, Cadillac Fleetwood,
| |
| − | Buick Roadmaster, reverse flow cooling
| |
| − | 10128374...92-up...350.....Gen. 2 LT1, 53cc, angle plug, aluminum,
| |
| − | reverse flow cooling, 175cc/68cc ports
| |
| − | 10134352....Bowtie, 45cc, angle plug, "low" port, 223cc intake port,
| |
| − | aluminum, 18º race head
| |
| − | 10134363..........NOTE: This casting # has been used in several different
| |
| − | versions of aluminum 18º and 15º Bowtie race heads.
| |
| − | Different chamber volumes, port volumes, port locations, valve sizes, etc.
| |
| − | were used. Check this casting carefully
| |
| − | to determine which features it may have. There are at least six different
| |
| − | versions as of 11/99.
| |
| − | 10147898...95-98...350..........Gen. 1 crate motor
| |
| − | 10159550...87-95...350
| |
| − | 10159551...87-95...305
| |
| − | 10159552...87-95...350
| |
| − | 10159553...87-95...305
| |
| − | 10174389...91-94...350..........LT5, ZR1, DOHC, 32-valve, drvs. side, aluminum
| |
| − | 10174390...91-95...350..........LT5, ZR1, DOHC, 32-valve, pass. side, aluminum
| |
| − | 10185040........................Bowtie, aluminum, 45cc chambers, 1st. version,
| |
| − | symmetrical ports, 263cc intake port, splayed valves
| |
| − | 10185040........................Bowtie, aluminum, 45cc chamber, 2nd. version,
| |
| − | symmetrical ports, 240cc intake port, splayed valves
| |
| − | 10205245...93......350..........Gen. 2 LT1, aluminum, reverse flow cooling,
| |
| − | 175cc/68cc port volumes
| |
| − | 10207643...94-96...350..........Gen. 2 LT1, aluminum, reverse flow cooling,
| |
| − | 175cc/68cc port volumes
| |
| − | 10208890...94-96...265..........Gen. 2, L99 aka "baby LT1", 4.3 Liter V8, cast iron,
| |
| − | reverse flow
| |
| − | 10215339...97......350..........Gen. 3, LS1, aluminum, 68cc
| |
| − | 10225121...94-95...350..........LT5, ZR1, DOHC, 32-valve, drvs. side, aluminum
| |
| − | 10225122...95......350..........LT5, ZR1, DOHC, 32-valve, pass. side, aluminum
| |
| − | 10239902...96-up...350..........Gen. 2 LT4, aluminum, reverse flow cooling,
| |
| − | 195cc port, 54.4cc chamber, angle plug
| |
| − | 10239906...96-up...350.........."Vortec 5700", "L31", 64cc chamber,
| |
| − | 170cc intake port, 1.94"/1.5" valves
| |
| − | 12367712...99-up................"Fast Burn", aluminum, 210cc intake port,
| |
| − | 2.00”/1.55” valves, 62cc chamber
| |
| − | 12367713...99-up................"Fast Burn" used on ZZ430 crate motor,
| |
| − | aluminum, 210cc intake port, 2.00”/1.55” valves,
| |
| − | 62cc chamber
| |
| − | 12480005...2000.................LS1 "GTZ", aluminum, 38cc chamber,
| |
| − | 2.125"/1.625" valves, angle plug
| |
| − | 12480011...97-up................Bowtie "SB2.2", aluminum, 2nd. version of "SB2",
| |
| − | 48cc chamber, "mirror ports", revised valve angles & plug location
| |
| − | 12506450...87-95...350
| |
| − | 12509859...87-94...305
| |
| − | 12516852...87-95...350
| |
| − | 12529742...95-96...265..........Gen. 2, "L99" aka "baby LT1", cast iron
| |
| − | 12551561...96......350..........Gen. 2, "LT1", aluminum
| |
| − | 12552520...97-up...305..........Vortec, truck
| |
| − | 12554290...94-96...350..........Gen. 2, "LT1", cast iron version,
| |
| − | used on "9C1" police package, Impala SS,
| |
| − | Cadillac Fleetwood, Buick Roadmaster, reverse flow cooling
| |
| − | 12554291...95-96...265..........Gen. 2, "L99" aka "baby LT1", cast iron
| |
| − | 12555690...96......350..........Gen. 2, "LT4", aluminum
| |
| − | 12556743...99......325..........Gen. 3, 5.3L, aluminum, truck, van
| |
| − | 12558059...97......305..........Vortec, truck, 1.84"/1.5" valves
| |
| − | 12558062...98......350..........L31 Vortec, truck, 64cc chamber,
| |
| − | 1.94”/1.5”, 170cc intake port
| |
| − | 12558806...97-98...350..........Gen. 3, "LS1", aluminum, 68cc chamber
| |
| − | 12559853...99-up...350..........Gen. 3, "LS1", aluminum, 68cc chamber
| |
| − | 12559862...99-00................Gen. 3, aluminum 4.8/5.3L
| |
| − | 12559895...00-up...325..........Gen. 3, aluminum, Vortec 5.3L
| |
| − | 12561706...01-04................Gen. 3, 5.3L, aluminum
| |
| − | 12561873...99-01...364..........Gen. 3, 71cc, iron
| |
| − | 12562317...01-04...364..........Gen. 3, 71cc, aluminum
| |
| − | 12564241...00-up...350..........Gen. 3, "LS1", aluminum, 68cc chamber
| |
| − | 12564243...01-up...350/364......Gen. 3, "LS6", "LS2", aluminum
| |
| − | 12572035...01-04...364..........Gen. 3, 6.0L, aluminum, 71cc chamber
| |
| − | 14008856...79-81...267
| |
| − | 14010201...82-85...305
| |
| − | 14011034........................Bowtie, cast iron, 64cc chamber,
| |
| − | 184cc intake port volume, angle plug, "Phase 2" head
| |
| − | 14011049........................Bowtie, aluminum, 55cc chamber,
| |
| − | angle plug, 180cc intake port volume, "Phase 6"
| |
| − | 14011083...55-86...350..........Crate motor for years indicated.
| |
| − | 285/300hp, 64cc chamber, 1.94"/1.5" valves
| |
| − | 14014415...80-85...267/305
| |
| − | 14014416...80-86...305..........1.84"/1.5" valves, 58cc chamber
| |
| − | 14014440...80......305..........1.84"/1.5" valves
| |
| − | 14019821...80-86...350
| |
| − | 14019924...79-81...267
| |
| − | 14019926...80-86...350
| |
| − | 14010516...80-86...350
| |
| − | 14020517...80......350
| |
| − | 14020555...81......305
| |
| − | 14020556...81......350
| |
| − | 14022056...85......350
| |
| − | 14022206...80......350
| |
| − | 14022301...80-86...305
| |
| − | 14022601...80-86...267/305...1.72"/1.5" or 1.84"/1.5" valves, 53cc chamber
| |
| − | 14022801...80-86...305
| |
| − | 14024816...........350......76cc chamber, 1.94”/1.5” valves, Gen. 1 crate motor
| |
| − | 14034806...78-82...267
| |
| − | 14034807...78-86...305
| |
| − | 14034808...80-86...350
| |
| − | 14034808...96-up...350..........76cc chamber, 1.94"/1.5" valves,
| |
| − | Gen. 1 Goodwrench crate motor
| |
| − | 14034810...80-86...350..........Truck
| |
| − | 14034811...80-86...350..........Truck
| |
| − | 14039121...81-86...305..........Truck
| |
| − | 14039122...81-86...305..........Truck
| |
| − | 14071114...80-86...350
| |
| − | 14075381...80-86...350..........Truck
| |
| − | 14079261...86......350
| |
| − | 14085844...80-86...350..........Truck
| |
| − | 14085963...86......350
| |
| − | 14088526...........350..........Gen. 2, LT1, aluminum
| |
| − | 14089119...86-88...350
| |
| − | 14094093...86-88...350
| |
| − | 14096217...55-86...350..........Crate motor, 285hp/300hp, 64cc chamber,
| |
| − | 72º or 90º center intake manifold bolt angles
| |
| − | 14101081...87-95...305
| |
| − | 14101083...87-up...350..........Gen. 1, also used on crate motors,
| |
| − | 285 or 300 hp, 64cc chamber, 72º center manifold bolt angles
| |
| − | 14101128...86-87...350..........Aluminum, 58cc, angle plug
| |
| − | 14102187...87-91...305..........1.84"/1.5" valves
| |
| − | 14102191...87-up...350
| |
| − | 14102193...87-up...305/350......1.94"/1.5" valves
| |
| − | 22542525........................Dart/Olds/Chevy aluminum, 14º or 17º race head
| |
| − | 24502559...96-97................Bowtie, "SB2", 1st. version, "mirror ports",
| |
| − | aluminum, 196cc port, CNC version 280cc port,
| |
| − | 38cc chamber
| |
| − | 25500141........................Buick/Chevy aluminum, 10º race head,
| |
| − | 42cc chamber, symmetrical ports, 235cc intake port volume,
| |
| − | 2.1"/1.625" valves
| |
| − | 25534351C..04-up................Gen. 1 Bowtie, cast iron Vortec head,
| |
| − | 175cc/65cc ports, 2.00”/1.55” valves, "small port” head
| |
| − | 25534371C..04-up................Gen. 1 Bowtie, cast iron Vortec head,
| |
| − | 206cc/77cc ports, 2.00”/1.55” valves, "large port” head
| |
| − | 33417369...90-up...350..........Gen. 1 Goodwrench crate motor,
| |
| − | "Hecho en Mexico", 76cc chamber
| |
| − | </pre>
| |
| − |
| |
| − | ===Mortec BBC block casting numbers===
| |
| − | <pre style="border:none;">
| |
| − | BIG BLOCK CHEVY BLOCK CASTING NUMBERS:
| |
| − | NOTE: T = tall deck
| |
| − | Oval includes both "peanut" (also called "round") ports and large oval ports
| |
| − |
| |
| − | 0-326711.....................4-bolt, alum., CanAm, 4.44" bores,
| |
| − | steel cylinder liners
| |
| − | 340220.....427T......68-85...4-bolt
| |
| − | 345014.....454.......70-86...
| |
| − | 346236.....454.......75-76...2-bolt
| |
| − | 359070.....454.......70-90...
| |
| − | 361959.....454.......73-90...2 or 4 bolt
| |
| − | 364776.....427T......68-85...4-bolt
| |
| − | 364779.....366T......68-90...4-bolt
| |
| − | 399204.....509.......70-71...4-bolt, alum., CanAm, 4.5" bores,
| |
| − | steel cylinder liners
| |
| − | 399293.....366T......77-78...4-bolt
| |
| − | 473478.....427T......77-90...4-bolt
| |
| − | 495102.......................4-bolt, alum., CanAm, 4.5" bores
| |
| − | 3782870....427T......68-76...4-bolt
| |
| − | 3824553....366T......66-67...4-bolt
| |
| − | 3855961....396.......65-66...2 or 4 bolt
| |
| − | 3855961....427.......66......2-bolt
| |
| − | 3855962....396.......65-66...4-bolt
| |
| − | 3855977....366T......66-73...4-bolt
| |
| − | 3869942....427.......66-67...2 or 4 bolt
| |
| − | 3902406....396.......67......2 or 4 bolt
| |
| − | 3904351....427.......67......2 or 4 bolt
| |
| − | 3904354....366T......66-76...4-bolt
| |
| − | 3916319....366T......68......4-bolt
| |
| − | 3916321....427.......68......2 or 4 bolt
| |
| − | 3916323....396.......68......2 or 4 bolt
| |
| − | 3925521....427T......68-85...4-bolt
| |
| − | 3935439....427.......68-69...2 or 4 bolt
| |
| − | 3935440....396.......68-69...2 or 4 bolt
| |
| − | 3937724....366T......68-85...4-bolt
| |
| − | 3937726....427T......68-84...4-bolt
| |
| − | 3946052....427.......69......4-bolt, alum. ZL-1, Mark IV
| |
| − | 3946053....427.......97-up...4-bolt, alum. ZL1, 2nd. version, Mark IV
| |
| − | 3955270....427.......69......2 or 4 bolt
| |
| − | 3955272....396.......69......2 or 4 bolt
| |
| − | 3955274....366T......68-85...4-bolt
| |
| − | 3955276....427T......68-73...4-bolt
| |
| − | 3963512....427.......69......2 or 4-bolt
| |
| − | 3963512....454.......70-76...2 or 4-bolt
| |
| − | 3969852....366T......68-84...4-bolt
| |
| − | 3969854....396.......69......2 or 4-bolt
| |
| − | 3969854....402.......70-72...2 or 4-bolt
| |
| − | 3969858....427T......68-84...4-bolt
| |
| − | 3999289....454.......71-79...2 or 4-bolt, some "CE" replacement blocks
| |
| − | had four bolt main caps
| |
| − | 3999290....396.......68-69...2 or 4-bolt, truck
| |
| − | 3999290....402.......70-72...2 or 4-bolt, truck
| |
| − | 3999290....402.......72......2 or 4 bolt, passenger car
| |
| − | 3999293....366T......68-90...4-bolt
| |
| − | 3999294....427T......68-84...4-bolt
| |
| − | 10051107...454...............4-bolt, Bowtie, Mark IV, 9.8" deck,
| |
| − | siamesed bores, 4.25" semi-finished bores, can be bored to 4.50"
| |
| − | 10069282...366T......90-91...4-bolt, Mark IV, tall deck
| |
| − | 10069284...427T..............4-bolt, Mark IV, tall deck
| |
| − | 10069286...454.......90-91...4-bolt, Mark IV, short deck
| |
| − | 10114182...454.......91-up...4-bolt, Gen. 5
| |
| − | 10114183...366T......91-up...4-bolt, Gen. 5
| |
| − | 10114184...427T......91-up...4-bolt, Gen.5
| |
| − | 10134366...454T..............4-bolt, Bowtie, Gen. 5, tall deck
| |
| − | 10185050...454...............4-bolt, Bowtie, Gen. 5, short deck
| |
| − | 10237297...454.......96-up...4-bolt, Vortec 7400", "L-29" Gen. 6
| |
| − | 10237299...427T......96-up...4-bolt, Gen. 6, 7.0L, truck
| |
| − | 10237300...502.......96-up...4-bolt, Gen. 6, 4.466" bore
| |
| − | 12550312...427T......96-up...4-bolt, Gen. 6, 4.250" bore, fuel pump boss,
| |
| − | clutch linkage pivot boss
| |
| − | 12550313...454.......91-up...4-bolt, Gen. 5 crate motor, Gen. VI 4.25"
| |
| − | bare block, fuel pump boss
| |
| − | 12556110...496.......01-up...4-bolt, Gen. 7, 8.1L, "Vortec 8100", truck
| |
| − | 12561357...454.......96-up...4-bolt, Gen. 6
| |
| − | 12561358...502...............4-bolt, Gen. 6
| |
| − | 14015443...454.......87-90...2 or 4-bolt, Mark IV, truck, motorhome
| |
| − | 14015445...454.......78-90...2 or 4-bolt
| |
| − | 14044807...454T..............4-bolt, Bowtie, Mark IV, CNC prep, tall deck,
| |
| − | 4.25" or 4.495" bores
| |
| − | 14096859...502...............4-bolt, Gen. 5, HO
| |
| − | 24502504...454...............4-bolt, Bowtie, Gen. 5, race prep,
| |
| − | 9.8” "short" deck height
| |
| − | 24502506...454T..............4-bolt, Bowtie, Gen. 5, race prep,
| |
| − | 10.2” "tall" deck height
| |
| − | 24502572.....................4-bolt, 4.5" bore Olds DRCE 2,
| |
| − | 9.5" deck height
| |
| − | 25534402.....................4-bolt, 4.590" bore Olds DRCE 3,
| |
| − | 9.25" deck height
| |
| − | </pre>
| |
| − |
| |
| − | ===Mortec BBC head casting numbers===
| |
| − | <pre style="border:none;">
| |
| − | BIG BLOCK CHEVY HEAD CASTING NUMBERS:
| |
| − |
| |
| − | 330864.....68-84...oval...OPEN...396, 402, 366T, 427T, 454 Truck
| |
| − | 330865.....68-84...oval...OPEN...396, 402, 366T, 427T, 454 Truck
| |
| − | 330866.....68-78...oval...OPEN...366T, 427T
| |
| − | 330867.....68-73...oval...OPEN...427T
| |
| − | 336765.....68-78...oval...OPEN...427T
| |
| − | 336768.....73-76...oval...OPEN...427T
| |
| − | 336781.....73-85...oval...OPEN...454, 118cc chamber, 256cc/114cc ports
| |
| − | 343771.....68-86...oval...OPEN...366T, 427T, 454
| |
| − | 343772.....68-86...oval...OPEN...366T, 427T, 454
| |
| − | 343783.....70-76...oval...OPEN...454 truck
| |
| − | 346236.....75-87...oval...OPEN...454, 120cc chamber, 225cc/116cc ports
| |
| − | 352625.....70-76...oval...OPEN...454 truck
| |
| − | 353049.....73-84...oval...OPEN...454, 122cc chamber, 255cc/119cc ports
| |
| − | 366765.....74-78...oval...OPEN...427T
| |
| − | 473328.....68-69...oval...OPEN...366T
| |
| − | 3856206....65-66...oval..CLOSED..396, 97cc chamber
| |
| − | 3856208....65......rect..CLOSED..396/425hp, 109cc chamber 396/375hp "Z-16" Chevelle
| |
| − | 3856213....66-82...oval..CLOSED..366T, 427T
| |
| − | 3856260....68......oval..CLOSED..396 truck
| |
| − | 3872702....65-66...oval..CLOSED..396, 427, 98cc chamber
| |
| − | 3873858....65-67...rect..CLOSED..396, 427, 109cc chamber
| |
| − | 3876875....77-85...oval...OPEN...427T
| |
| − | 3904390....67......oval..CLOSED..396, 427, 98cc chamber
| |
| − | 3904391....67......rect..CLOSED..396, 427, 107cc chamber
| |
| − | 3904392....67......rect..CLOSED..427, aluminum, L88, L89, 107cc chamber
| |
| − | 3904393....68-76...oval...OPEN...366T
| |
| − | 3908952....67......oval...OPEN...427, truck, marine
| |
| − | 3909802....67......oval..CLOSED..396, 427, 101cc chamber
| |
| − | 3917215....67-68...oval..CLOSED..396, 427, 101cc chamber
| |
| − | 3917219....68-85...oval...OPEN...366T, 427T
| |
| − | 3919840....67-69...rect..CLOSED..396, 427, 107cc chamber
| |
| − | 3919842....68-69...rect..CLOSED..396, 427, aluminum L88, L89, 107cc chamber
| |
| − | 3931063....68-69...oval..CLOSED..396, 402, 427, 101cc chamber
| |
| − | 3933148....69-84...oval...OPEN...'69 396/265hp, 366T, 427T, 112cc chamber
| |
| − | 3933149....68-76...oval...OPEN...427T, 122cc chamber
| |
| − | 3935401....68-76...oval...OPEN...427T
| |
| − | 3946074....69&71...rect...OPEN...'69 427 L88, ZL1, aluminum, 118cc chamber,
| |
| − | '71 454 LS6, "round exhaust port"
| |
| − | 3964290....69-70...oval..CLOSED..396, 402, 427, 454, 101cc chamber,
| |
| − | large or small hex spark plugs used
| |
| − | 3964291....69-72...rect..CLOSED..396, 402, 427, 454, 109cc chamber,
| |
| − | large or small hex spark plugs used,
| |
| − | crate motor usage in years after 1970
| |
| − | 3965198....68-69...oval..CLOSED..396 truck
| |
| − | 3975950....68-70...oval...OPEN...396, 402 Truck, 366T, 427T
| |
| − | 3986133....68-85...oval...OPEN...366T, 427T, 454 truck
| |
| − | 3986135....69-73...oval...OPEN...366T, 427T
| |
| − | 3986136....68-84...oval...OPEN...366T, 427T, 454 truck
| |
| − | 3993820....71......oval...OPEN...402, 113cc chamber, 255cc/114cc ports
| |
| − | 3993820....71-84...oval...OPEN...454 passenger and trucks, 113cc chamber,
| |
| − | 255cc/114cc ports
| |
| − | 3994026....71......rect...OPEN...454 LS6, 118cc chamber
| |
| − | 3999241....72......oval...OPEN...402, 454, 113cc chamber
| |
| − | 6272292....70-78...oval...OPEN...402, 454
| |
| − | 6272990....70-up...rect...OPEN...454 service replacement, used on some
| |
| − | Mark IV crate engines, 118cc chamber
| |
| − | 10045427...........rect..........Pontiac/Chevy, aluminum, 91cc chamber,
| |
| − | large port, race
| |
| − | 10049875...........rect..........Pontiac/Chevy, aluminum Small port, race
| |
| − | 10051128...........rect..........Bowtie, aluminum, 72cc chamber, symmetrical ports
| |
| − | 10051129...........rect..........Bowtie, aluminum "raw" casting, symmetrical ports
| |
| − | 10052902...........oval...OPEN...Mark IV, 427T
| |
| − | 10101140...91-up...oval..CLOSED..Gen. 5 366T, 427T
| |
| − | 10114156...91-up...oval...OPEN...Gen. 5 & 6 454, 118cc chamber
| |
| − | 10141279...96-up...oval..CLOSED.."Vortec 7400", 100cc chambers
| |
| − | 10487052...77-90...oval...OPEN...366T
| |
| − | 12363391...96-up...oval...OPEN...Bowtie, aluminum, Signature Series,
| |
| − | fits Mark IV, Gen. 5, Gen. 6, 110cc chamber
| |
| − | 12363401...96-up...rect...OPEN...Bowtie, aluminum, Signature Series,
| |
| − | fits Mark IV, Gen. 5, Gen. 6, 118cc chamber
| |
| − | 12558162...01-up...oval..CLOSED..Gen. 7, "Vortec 8100", 8.1L, 496, truck
| |
| − | 12560241...98-up...oval..CLOSED.."Vortec 7400", 100cc chamber
| |
| − | 12562932...91-95...oval...OPEN...Gen. 5, truck crate motor, 118cc chamber
| |
| − | 12562933...91-95...oval...OPEN...Gen. 5, 118cc chamber
| |
| − | 12562934...00-up...rect...OPEN...Gen. 6, 502 marine
| |
| − | 14011077...69-up...rect...OPEN...aluminum, fits Mark IV, "C-port",
| |
| − | 118cc chamber, also sold as a "solid" head
| |
| − | 14044861...84-96...rect..........Bowtie, aluminum, Mark IV, "raised runner",
| |
| − | 1st. design, 105cc chamber
| |
| − | 14044861...96-up...rect..........Bowtie, Aluminum, Signature Series,
| |
| − | fits Mark IV, Gen. 5, Gen. 6, "raised runner",
| |
| − | 2nd. design, 115cc chamber
| |
| − | 14044861...84-96...rect..........Bowtie, aluminum, Mark IV, "raw" casting of
| |
| − | "861" Mark IV 1st. design
| |
| − | 14081045...78-87...oval...OPEN...454
| |
| − | 14081052...85-87...oval...OPEN...366T, 427T, 454 Truck, marked "HiPerf"
| |
| − | 14092359...86-90...oval...OPEN...366T, 427T, marked "HiPerf"
| |
| − | 14092360...86-90...oval...OPEN...454 truck, "peanut" round ports
| |
| − | 14096188...70-71...rect...OPEN...454 service replacement, also used on
| |
| − | later Mark IV LS-6, LS-7 and 454 HO crate
| |
| − | motors, 116cc chamber
| |
| − | 14097088...91-up...rect...OPEN...Gen. 5, 454/502 HO, 118cc chamber
| |
| − | 24502585...97......rect..........Olds/Chevy, DRCE 2, Pro Stock, aluminum,
| |
| − | for blocks w/4.900" bore spacing
| |
| − | 25534404...04......rect..........Olds/Chevy, DRCE 3, Pro Stock, aluminum,
| |
| − | for blocks with 4.900" bore spacing
| |
| − | </pre>
| |
| − |
| |
| − | ===Mortec SBC crankshaft casting numbers===
| |
| − | ====2-piece rear main seal====
| |
| − | <pre style="border:none;">
| |
| − | CHEVY SMALL BLOCK CRANKSHAFT CASTING NUMBERS:
| |
| − |
| |
| − | WITH 2-PIECE REAR MAIN OIL SEAL
| |
| − |
| |
| − | 1130.......327.......forged..medium journal...3.25" stroke
| |
| − | 1178.......302.......forged..medium journal...3.00" stroke
| |
| − | 1181.......305,350...cast....medium journal...3.48" stroke
| |
| − | 1182.......350.......forged..medium journal...3.48" stroke
| |
| − | 2680.......327.......forged..small journal....3.25" stroke
| |
| − | 2690.......350.......forged..medium journal...3.48" stroke
| |
| − | 3279.......302.......forged..medium journal...3.00" stroke
| |
| − | 3474.......283.......forged..small journal....3.00" stroke, military tank use
| |
| − | 4577.......327.......forged..small journal....3.25" stroke
| |
| − | 4672.......327.......forged..medium journal...3.25" stroke
| |
| − | 310514.....350.......cast....medium journal...3.48" stroke
| |
| − | 330550.....350.......cast....medium journal...3.48" stroke
| |
| − | 354431.....262.......cast....medium journal...3.10" stroke
| |
| − | 3727449....283.......forged..small journal....3.00" stroke
| |
| − | 3729449....265.......forged..small journal....3.00" stroke
| |
| − | 3734627....327.......forged..small journal....3.25" stroke
| |
| − | 3735236....265,283...forged..small journal....3.00" stroke
| |
| − | 3735263....283.......forged..small journal....3.00" stroke
| |
| − | 3782680....327.......forged..small journal....3.25" stroke
| |
| − | 3814671....327.......forged..small journal....3.25" stroke
| |
| − | 3815822..265,283,302.forged..small journal....3.00" stroke
| |
| − | 3835236....283.......forged..small journal....3.00" stroke
| |
| − | 3836266....283.......forged..small journal....3.00" stroke
| |
| − | 3848847....283.forged or cast..sm. journal....3.00" stroke
| |
| − | 3849847....283.......forged..small journal....3.00" stroke
| |
| − | 3876764....283.forged or cast..sm. journal....3.00" stroke
| |
| − | 3876768....283.......forged..small journal....3.00" stroke
| |
| − | 3884577....327.......forged..small journal....3.25" stroke
| |
| − | 3892690....350.......forged..medium journal...3.48" stroke
| |
| − | 3911001....307,327...cast....medium journal...3.25" stroke
| |
| − | 3911011....307,327...cast....medium journal...3.25" stroke
| |
| − | 3914672....327.......forged..medium journal...3.25" stroke
| |
| − | 3923279....302.......forged..medium journal...3.00" stroke
| |
| − | 3932442..267,305,350..cast...medium journal...3.48" stroke
| |
| − | 3941174....307,327...cast....medium journal...3.25" stroke
| |
| − | 3941178....302.......forged..medium journal...3.00" stroke
| |
| − | 3941182....350.......forged..medium journal...3.48" stroke
| |
| − | 3941188....350.......forged..medium journal...3.48" stroke
| |
| − | 3949847....283..forged or cast..small journal...3.00" stroke
| |
| − | 3951130....327.......forged..medium journal...3.25" stroke
| |
| − | 3951529....400.......cast....large journal....3.75" stroke
| |
| − | </pre>
| |
| − |
| |
| − | ====1-piece rear main seal====
| |
| − | <pre style="border:none;">
| |
| − | WITH 1-PIECE REAR MAIN OIL SEAL
| |
| − |
| |
| − | 10168568...265.......cast....medium journal...3.00" stroke
| |
| − | 12552215...364.......cast....medium journal...3.62" stroke, Gen. 3, 6.0L
| |
| − | 12552216...325,350,364.......cast....medium journal...3.62" stroke,
| |
| − | Gen. 3 5.7L LS1, 5.3L, 6.0L
| |
| − | 12553312...293.......cast....medium journal, 3.27" stroke, Gen. 3, 4.8L
| |
| − | 12553482...293.......cast....medium journal, 3.27" stroke, Gen. 3, 4.8L
| |
| − | 14088526...305,350...cast....medium journal...3.48" stroke
| |
| − | 14088532...350.......forged..medium journal...3.48" stroke
| |
| − | 14088535...305,350...cast....medium journal...3.48" stroke
| |
| − | 14088552...350.......forged..medium journal...3.48" stroke
| |
| − |
| |
| − | ZR1, "LT5", 350 DOHC
| |
| − |
| |
| − | 10106122...350.......forged..large 2.76" journal...3.66" stroke
| |
| − | </pre>
| |
| − |
| |
| − | ===Mortec BBC crankshaft casting numbers===
| |
| − |
| |
| − | ====3.76" stroke 2-piece rear main seal====
| |
| − | <pre style="border:none;">
| |
| − | Used in 1965-'90 Mark IV 366T, 396, 402, 427 and 427T
| |
| − |
| |
| − | 6223.......396,402,427...forged, 1053 steel
| |
| − | 7115.......396,402,427...forged, nitrided, cross-drilled, 5140 steel
| |
| − | 3804816....396,402,427...cast
| |
| − | 3856223....396...forged
| |
| − | 3863114....402...
| |
| − | 3863144....396,402...
| |
| − | 3874874....396,402...
| |
| − | 3879621....427...forged
| |
| − | 3882841....396...forged, cross drilled, nitrided
| |
| − | 3882842....427...forged, cross drilled, nitrided
| |
| − | 3882847....
| |
| − | 3882848....
| |
| − | 3882849....427...forged
| |
| − | 3887114....396...forged, nitrided, 5140 steel
| |
| − | 3904815....396,402...cast, nodular iron
| |
| − | 3941180....
| |
| − | 3942411....
| |
| − | 3965746..........semi- finished, forged
| |
| − | 3993804..........raw, 5140 steel
| |
| − | </pre>
| |
| − |
| |
| − | ====3.76" stroke 1-piece rear main seal====
| |
| − | <pre style="border:none;">
| |
| − | Used in 1991-up Gen. 5 and Gen. 6, 366T, 427T
| |
| − |
| |
| − | 10114186...427T...forged, 1053 steel
| |
| − | 10114187...366T...cast
| |
| − | 10114189...427T...cast
| |
| − | </pre>
| |
| − |
| |
| − | ====4.00" stroke 2-piece rear main seal====
| |
| − | <pre style="border:none;">
| |
| − | Used in 1970-90 Mark IV 454 or Mark IV 502
| |
| − |
| |
| − | 3520.......454...forged, cross-drilled, 1053 steel
| |
| − | 3521.......454, 502...forged, cross-drilled, 5140 steel
| |
| − | 3524.......454...forged
| |
| − | 7416.......454, 502...forged, cross-drilled, 1053 steel
| |
| − | 7463.......454...forged
| |
| − | 336782.....454...cast
| |
| − | 353039.....454...cast
| |
| − | 353638.....454...
| |
| − | 359730.....454...
| |
| − | 3962523....454...forged
| |
| − | 3963523....454...
| |
| − | 3963524....454...forged
| |
| − | 3967416....454...forged
| |
| − | 3967463....454...forged
| |
| − | 3975945....454
| |
| − | 3963521....454...forged, cross drilled, 5140 steel
| |
| − | 3965753..........semi-finished, forged, 5140 steel
| |
| − | 3975495....454
| |
| − | 3993878....454...forged
| |
| − | 10051169...454...forged raw casting
| |
| − | </pre>
| |
| − |
| |
| − | ====4.00" stroke 1-piece rear main seal====
| |
| − | <pre style="border:none;">
| |
| − | Used in 1991-up Gen. 5 and Gen. 6 454 or 502
| |
| − |
| |
| − | 10114188...454......cast
| |
| − | 14097044...454, 502..forged, 1053 steel
| |
| − | </pre>
| |
| − |
| |
| − | ===348/409/427 W-engine block casting numbers:===
| |
| − | <pre style="border:none;">
| |
| − |
| |
| − | 3732755.....348......59-61
| |
| − | 3732811.....348......58
| |
| − | 3751872.....348......58
| |
| − | 3755011.....348......59-61
| |
| − | 3771705.....348......59-61
| |
| − | 3782012.....348......58-61
| |
| − | 3788068.....409......62-63
| |
| − | 3795623.....409......61
| |
| − | 3798962.....348......62-65...truck
| |
| − | 3815707.....348......58-61
| |
| − | 3830814.....427......63......"Z11" (4.312" bore x 3.65" stroke)
| |
| − | 3830814.....409......63-64
| |
| − | 3839752.....409......62-63
| |
| − | 3839754.....409......65
| |
| − | 3844422.....409......63-65
| |
| − | 3857655.....348......62-65...truck
| |
| − | 3857656.....409......64-65
| |
| − | 3860386.....409......62-64
| |
| − | 3860387.....348......58
| |
| − | </pre>
| |
| − |
| |
| − | ===348/409/427 W-engine block casting numbers:===
| |
| − | <pre style="border:none;">
| |
| − | 3732791.....348......58-60
| |
| − | 3758379.....348......59-61...250 hp
| |
| − | 3759256.....348......58
| |
| − | 3759332.....348......58-60
| |
| − | 3764702.....348......60......truck
| |
| − | 3767738.....348......59-60...250 hp
| |
| − | 3781147.....348......60-61...HiPerf, 2.06"/1.72" valves
| |
| − | 3781173.....348......60......1.94"/1.66" valves
| |
| − | 3795586.....348/409..61......HiPerf, 2.06"/1.72" valves
| |
| − | 3814690.....409......62-63...HiPerf, 2.19"/1.72" valves
| |
| − | 3815643.....348/409..58-62...truck, industrial
| |
| − | 3815857.....348/409..58-62...truck
| |
| − | 3819333.....348/409..62-65...HD Truck
| |
| − | 3830817.....409......63-65...340 hp
| |
| − | 3837731.....427......63......"Z11" (4.312" bore x 3.65" stroke)
| |
| − | 3852583.....409......63-65...HiPerf, 2.19"/1.72" valves
| |
| − | </pre>
| |
| − |
| |
| − | ===348/409/427 W-engine crankshaft casting numbers:===
| |
| − | <pre style="border:none;">
| |
| − | 3732692...348...forged...3.25" stroke
| |
| − | 3733223...348...forged...3.25" stroke
| |
| − | 3733226...348...forged...3.25" stroke
| |
| − | 3741640...348...forged...3.25" stroke
| |
| − | 3741642...348...forged...3.25" stroke
| |
| − | 3788072...409...forged...3.50" stroke
| |
| − | 3795589...409...forged...3.50" stroke
| |
| − | 3824553...348...forged...3.25" stroke
| |
| − | 3829027...409...forged...3.50" stroke
| |
| − | 3837466...409,427 "Z11"...forged...3.65" stroke
| |
| − | 3838416...409...forged...3.50" stroke
| |
| − | </pre>
| |
| − |
| |
| − | ===SBC bore and stroke===
| |
| − | <pre style="border:none;">
| |
| − | 262 = 3.671" x 3.10" (Gen. 1, 5.7" rod)
| |
| − | 265 = 3.750" x 3.00" ('55-'57 Gen. 1, 5.7" rod)
| |
| − | 265 = 3.750" x 3.00" ('94-'96 Gen. 2, 4.3 liter V8 "L99", 5.94" rod)
| |
| − | 267 = 3.500" x 3.48" (Gen. 1, 5.7" rod)
| |
| − | 283 = 3.875" x 3.00" (Gen. 1, 5.7" rod)
| |
| − | 293 = 3.779" x 3.27" ('99-later, Gen. 3, "LR4" 4.8L Vortec, 6.278" rod)
| |
| − | 302 = 4.000" x 3.00" (Gen. 1, 5.7" rod)
| |
| − | 305 = 3.736" x 3.48" (Gen. 1, 5.7" rod)
| |
| − | 307 = 3.875" x 3.25" (Gen. 1, 5.7" rod)
| |
| − | 325 = 3.779" x 3.622" ('99-later, Gen. 3, "LM7", "LS4" front wheel drive V8
| |
| − | 5.3L Vortec, 6.098" rod)
| |
| − | 327 = 4.000" x 3.25" (Gen. 1, 5.7" rod)
| |
| − | 345 = 3.893" x 3.622" ('97-later, Gen. 3, "LS1", 6.098" rod)
| |
| − | 350 = 4.000" x 3.48" (Gen. 1, 5.7" rod)
| |
| − | 350 = 4.000" x 3.48" ('96-'01, Gen. 1, Vortec, 5.7" rod)
| |
| − | 350 = 3.900" x 3.66" ('89-'95, "LT5", in "ZR1" Corvette 32-valve DOHC, 5.74" rod)
| |
| − | 364 = 4.000" x 3.622" ('99-later, Gen. 3, "LS2", "LQ4" 6.0L Vortec, 6.098" rod)
| |
| − | 376 = 4.065" x 3.622" (2007-later, Gen. 4, "L92", Cadillac Escalade, GMC Yukon)
| |
| − | 383 = 4.000" x 3.80" ('00, "HT 383", Gen. 1 truck crate motor, 5.7" rod)
| |
| − | 400 = 4.125" x 3.75" (Gen. 1, 5.565" rod)
| |
| − | 427 = 4.125" x 4.00" (2006 Gen. 4, LS7 SBC, titanium rods)
| |
| − |
| |
| − | Two common, non-factory small block combinations:
| |
| − | 377 = 4.155" x 3.48" (5.7" or 6.00" rod) 400 block and a 350 crank with
| |
| − | "spacer" main bearings
| |
| − | 383 = 4.030" x 3.75" (5.565" or 5.7" or 6.0" rod) 350 block and a 400 crank,
| |
| − | main bearing crank journals cut to 350 size
| |
| − | </pre>
| |
| − |
| |
| − | ===BBC bore and stroke===
| |
| − | <pre style="border:none;">
| |
| − | 366T (tall deck) = 3.935" x 3.76"
| |
| − | 396 = 4.096" x 3.76"
| |
| − | 402 = 4.125" x 3.76"
| |
| − | 427 = 4.250" x 3.76"
| |
| − | 427T (tall deck) = 4.250" x 3.76"
| |
| − | 454 = 4.250" x 4.00"
| |
| − | 496 = 4.250" x 4.37" (2001 Vortec 8100, 8.1 liter)
| |
| − | 502 = 4.466" x 4.00"
| |
| − | 572T (tall deck) = 4.560" x 4.375" (2003 "ZZ 572" crate motor)
| |
| − |
| |
| − | ALL production big blocks used a 6.135" length rod.
| |
| − | </pre>
| |
| − |
| |
| − | ===348-409 W-engine bore and stroke===
| |
| − | <pre style="border:none;">
| |
| − | 348 = 4.125" x 3.25" (6.125" rod)
| |
| − | 409 = 4.312" x 3.50" (6.010" rod)
| |
| − | 427 = 4.312" x 3.65" (6.135" rod), 1963 "Z11" SHP drag race
| |
| − | </pre>
| |
| − |
| |
| − | ===SBC crankshaft journal sizes===
| |
| − | <pre style="border:none;">
| |
| − | Gen. 1, "Small Journal"
| |
| − | 265...Mains- 2.30", Rods- 2.00"
| |
| − | 283...Mains- 2.30", Rods- 2.00"
| |
| − | 302...Mains- 2.30", Rods- 2.00"
| |
| − | 327...Mains- 2.30", Rods- 2.00"
| |
| − |
| |
| − | Gen. 1, "Medium Journal", includes Vortec 305 and 350 through '98
| |
| − | 262...Mains- 2.45", Rods- 2.10"
| |
| − | 267...Mains- 2.45", Rods- 2.10"
| |
| − | 302...Mains- 2.45", Rods- 2.10"
| |
| − | 305...Mains- 2.45", Rods- 2.10"
| |
| − | 307...Mains- 2.45", Rods- 2.10"
| |
| − | 327...Mains- 2.45", Rods- 2.10"
| |
| − | 350...Mains- 2.45", Rods- 2.10"
| |
| − |
| |
| − | Gen. 1, "Large Journal"
| |
| − | 400...Mains- 2.65", Rods- 2.10"
| |
| − |
| |
| − | Non-production Gen. 1 combination using Gen. 1 400 crank in Gen. 1 350 block
| |
| − | 383...400 crank, Mains cut to 2.45", Rods- 2.10"
| |
| − |
| |
| − | Non-production Gen. 1 combination, using Gen. 1 350 crank in Gen. 1 400 block
| |
| − | 377..."Spacer" or "thick" main bearings with 350 crank, Rods- 2.10"
| |
| − |
| |
| − | Gen. 2, "Medium Journal", includes "L-99" 265, "LT1" 350, "LT4" 350
| |
| − | 265...Mains- 2.45", rods-2.10"
| |
| − | 305...Mains- 2.45", Rods-2.10"
| |
| − | 350...Mains-2.45", Rods-2.10"
| |
| − |
| |
| − | Non-production Gen. 2 combination, using Gen. 2 265 "L-99" crank in
| |
| − | Gen. 2 350 block
| |
| − | 302...Mains- 2.45", Rods- 2.10"
| |
| − |
| |
| − | Gen. 3, includes '97-2005 "LS1" Corvette, Firebird, Camaro
| |
| − | 345...Mains- 2.558", Rods- 2.10"
| |
| − |
| |
| − | Corvette "ZR1", DOHC, "LT5"
| |
| − | 350...Mains- 2.76", Rods- 2.10"
| |
| − | </pre>
| |
| − |
| |
| − | ===BBC crankshaft journal sizes===
| |
| − | <pre style="border:none;">
| |
| − | 366T
| |
| − | 396
| |
| − | 402
| |
| − | 427
| |
| − | 427T
| |
| − | 454
| |
| − | 502
| |
| − | ALL Chevy big blocks used Mains- 2.7488"-2.7495", Rods- 2.20"
| |
| − | </pre>
| |
| − |
| |
| − | ===W-engine crankshaft journal sizes===
| |
| − | <pre style="border:none;">
| |
| − | 348
| |
| − | 409
| |
| − | 427 Z-11
| |
| − | All W-motors used Mains- 2.50", Rods- 2.20"
| |
| − | </pre>
| |
| − |
| |
| − | [[Category:Identification and decoding]]
| |
| − | [[Category:Engine]]
| |
| − | [[Category:GM]]
| |
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