Editing Pontiac V8 engine (section)
Jump to:
navigation
,
search
===Pontiac crank numbers=== <pre> Year Engine Material Crank# Notes 1939-1954 all 6cyl 506176 1946-1949 all 8cyl 508454 1950-1954 all 8cyl 512512 1955 287 FS 518047 1956 317 FS 521602 1957 347 FS 530048 1958 370 FS 528527 1959-1962 389 AS 531369 except Super Duty 1959-1960 389 SD,FS 533038 Limited production 1961-1962 389 SD,FS 541649 Limited production 1961-1963 421 SD,FS 542990 Limited production (approx 2000) 1961-1962 215 542239 Tempest 1961-1963 4cyl 1193645 Tempest 1962-1963 421 AS 9770488 And HO engines 1963 326 AS 545585 Special Tempest transaxle hub 1963 389 AS 544191 Pontiac V8 except 421 1964-1965 6 cyl 3864465 Tempest; supplied w/o pilot brng 1964-1965 V8 AS 9773382 Tempest inc. 389 Armasteel "400" 1964-1965 389 AS 9773383 1964-1965 421 977384 And HO; might require different connecting rod for balance 1966 421 AS 9773384 1st Type: if using 1965 type piston, different connecting rods are required 1966-1967 326 AS 9782770 1966 389 N 9783786 late 1966 421 AS 9783787 1966-1967 6 cyl 9782279 Firebird and Tempest; use pilot bearing P/N 3752487 for MT 1966-1968 421-428 AS 9783787 2nd type: AS long snout 1967-1970 400 AS 97954 Except Ram Air, late 1967-early '68 400 N 9773524 1968-1979 400 N 4813 Both "N" crank and standard w/2-3/4" flange, early 1968 350 N 9793573 Late 1968-1970 350 N 9795479 1968 400 RA AS 9794054 WU, WY, XT, XW engines 1968-1969 6 cyl 9790154 Firebird and Tempest; use pilot bearing P/N 3752487 for MT Late 1968-1969 428 N 9782769 1969 303 FS 546270 Limited production 1969-1974 400 N 97954 2-3/4" flange 1969 400 RA IV N 9795481 WH, WW, XN, XP engines, +0.001" 1970 400 RA IV N 9795481 1969 400 RA V FS 545671 Limited production 1970 366 FS Moldex forged, limited production 1970-1979 350/400 9773524 Non "N" with 2-3/4" flange 1970-1976 455 496453 1970-1976 455 N 9799103 Approx wt. 72 lbs. came both "N" and standard 1971-1974 350 N 4813 1971-1974 400 N 4813 1972 455 SD FS Kellog forged, limited production 1973-1974 455 SD N 490164 W8, Y8, X8, Z8, ZJ, XD engines 1973-1976 455 N 496453 Service replacement 1975-early '76 350 N 496452 Thin counterweights 1975-early '76 400 N 496414 Thin counterweights 1975-1976 455 N 496415 Thin counterweights 1975-1976 455 N 496453 Thin counterweights, late 1976-1979 350 N 496452 Thin counterweights, late 1976-1979 400 N 499864 Thin counterweights 1977-1981 301 N 525887 End counterweights only 1980-1981 265 N 525887 End counterweights only NOTES: SD: Super Duty FSD: Forged steel AS: Armasteel N:Nodular RA: Ram Air MT: Manual transmission </pre>
|
Editing help
(opens in new window)
Personal tools
Log in / create account
Namespaces
Page
Discussion
Variants
Views
Read
Edit
View history
Actions
Search
Navigation
Main Page
Recent changes
Random page
Help
All articles
Start a new article
Hotrodders forum
Categories
Best articles
Body and exterior
Brakes
Cooling
Electrical
Engine
Fasteners
Frame
Garage and shop
General hotrodding
Identification and decoding
Interior
Rearend
Safety
Steering
Suspension
Tires
Tools
Transmission
Troubleshooting
Wheels
Toolbox
What links here
Related changes
Special pages
Terms of Use
Copyright
Privacy Policy
Your Privacy Choices
Manage Consent