Swap solutions: Rear axles
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+ | ! Manufacturer !! Axle family !! Application !! Brake type !! Suspension type !! Width, wheel-mount to wheel-mount (drum/rotor mounted) !! Width between spring perches, center to center (for leaf axles) !! Width between backing plates !! Width between shock mounts, center to center !! Weight (w/wo brakes?) !! Additional information !! Improvements !! Vehicles !! Notes | ||
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+ | | GM || 7.5" / 7.625" 10-bolt || G-body 1978-1988 || Drum || Coil, triangulated 4-link rear suspension || 58" || || 52.5" || || || Type 2 carrier || Replace drum brake wheel cylinder w/S10, it is larger. Another improvement is to swap in a different ring gear set as many of these vehicles came with extremely low ratios (i.e., 2.4) || El Camino, Malibu, Regal, Cutlass, Grand Prix, Monte Carlo, Bonneville (1978-86) || | ||
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+ | | GM || 8.5" 10-bolt || G-body 1978-1988 || Drum || Coil, triangulated 4-link rear suspension || 58" || || 52.5" || || || || || GNX, 442, Regal Turbo, & Grand National || Straight swap-in | ||
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+ | | Ford || 8.8" || G-body 1978-1988 || Drum || triangulated 4-link rear suspension || 58.75" || || 53.0" || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1986-1993 Mustang V-8 || Requires modification: | ||
− | + | 1) driveshaft to match the flat-flange-style pinion yoke | |
− | + | 2) cutting off the old spring perches and welding on a G-body set | |
− | + | 3) adjustable upper control arms with conversion brackets to mount to | |
+ | the frame (axle has cast-in dog-ears for UCA (Upper Control Arm) but | ||
+ | at a different angle so will need to use UCA with spherical bushings) | ||
− | + | 4) spherical housing bearings | |
− | + | 5) adjustable G-body lower control arms (LCA (Lower Control Arms) | |
− | + | will require spacers, unless they are changed also) | |
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+ | 6) lug bolt pattern (can keep stock Ford axles with lug-pattern or | ||
+ | replace axles with GM lug pattern to match the front) | ||
+ | |- | ||
+ | | Ford || 8.8" || G-body 1978-1988 || Disc || triangulated 4-link rear suspension || 60.25" || || || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1994-1998 Mustang || Requires modification: | ||
+ | 1) driveshaft to match the flat-flange-style pinion yoke | ||
+ | 2) cutting off the old spring perches and welding on a G-body set | ||
+ | 3) adjustable upper control arms with conversion brackets to mount to | ||
+ | the frame (axle has cast-in dog-ears for UCA (Upper Control Arm) but | ||
+ | at a different angle so will need to use UCA with spherical bushings) | ||
− | + | 4) spherical housing bearings | |
− | + | ||
+ | 5) adjustable G-body lower control arms (LCA (Lower Control Arms) | ||
+ | will require spacers, unless they are changed also) | ||
− | + | 6) lug bolt pattern (can keep stock Ford axles with lug-pattern or | |
− | + | replace axles with GM lug pattern to match the front) | |
− | + | |- | |
− | + | | Ford || 8.8" || G-body 1978-1988 || Disc || triangulated 4-link rear suspension || 61.625" || || || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1999-2004 Mustang || Requires modification: | |
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+ | 1) driveshaft to match the flat-flange-style pinion yoke | ||
+ | 2) cutting off the old spring perches and welding on a G-body set | ||
+ | |||
+ | 3) adjustable upper control arms with conversion brackets to mount to | ||
+ | the frame (axle has cast-in dog-ears for UCA (Upper Control Arm) but | ||
+ | at a different angle so will need to use UCA with spherical bushings) | ||
+ | |||
+ | 4) spherical housing bearings | ||
+ | |||
+ | 5) adjustable G-body lower control arms (LCA (Lower Control Arms) | ||
+ | will require spacers, unless they are changed also) | ||
+ | |||
+ | 6) lug bolt pattern (can keep stock Ford axles with lug-pattern or | ||
+ | replace axles with GM lug pattern to match the front) | ||
+ | |- | ||
+ | | Ford || 8.8" || G-body 1978-1988 || Drum or Disc || || 59.75" || || 53.5" || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1994-2003 Explorer || Requires modification: | ||
+ | |||
+ | 1) driveshaft to match the flat-flange-style pinion yoke | ||
+ | |||
+ | 2) cutting off the old spring perches and welding on a G-body set | ||
+ | |||
+ | 3) adjustable upper control arms with conversion brackets to mount to | ||
+ | the frame | ||
+ | |||
+ | Axle does not have cast-in dog-ears for UCA (Upper Control Arm), will | ||
+ | need to weld on a conversion kit for UCA | ||
+ | |||
+ | 4) spherical housing bearings | ||
+ | |||
+ | 5) adjustable G-body lower control arms (LCA (Lower Control Arms) | ||
+ | will require spacers, unless they are changed also) | ||
+ | |||
+ | 6) lug bolt pattern (can keep stock Ford axles with lug-pattern or | ||
+ | replace axles with GM lug pattern to match the front) | ||
+ | |- | ||
+ | | Ford || 8.8" || G-body 1978-1988 || Drum || || 58.75" || || 53.5" || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1990-1997 Ranger || Requires modification: | ||
+ | |||
+ | 1) driveshaft to match the flat-flange-style pinion yoke | ||
+ | |||
+ | 2) cutting off the old spring perches and welding on a G-body set | ||
+ | |||
+ | 3) adjustable upper control arms with conversion brackets to mount to | ||
+ | the frame | ||
+ | |||
+ | Axle does not have cast-in dog-ears for UCA (Upper Control Arm), will | ||
+ | need to weld on a conversion kit for UCA | ||
+ | |||
+ | 4) spherical housing bearings | ||
+ | |||
+ | 5) adjustable G-body lower control arms (LCA (Lower Control Arms) | ||
+ | will require spacers, unless they are changed also) | ||
+ | |||
+ | 6) lug bolt pattern (can keep stock Ford axles with lug-pattern or | ||
+ | replace axles with GM lug pattern to match the front) | ||
+ | |- | ||
+ | | Ford || 8.8" || G-body 1978-1988 || Drum || || 59.75" || || 53.5" || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1990-1995 Aerostar || Requires modification: | ||
+ | |||
+ | 1) driveshaft to match the flat-flange-style pinion yoke | ||
+ | |||
+ | 2) cutting off the old spring perches and welding on a G-body set | ||
+ | |||
+ | 3) adjustable upper control arms with conversion brackets to mount to | ||
+ | the frame | ||
+ | |||
+ | Axle does not have cast-in dog-ears for UCA (Upper Control Arm), will | ||
+ | need to weld on a conversion kit for UCA | ||
+ | |||
+ | 4) spherical housing bearings | ||
+ | |||
+ | 5) adjustable G-body lower control arms (LCA (Lower Control Arms) | ||
+ | will require spacers, unless they are changed also) | ||
+ | |||
+ | 6) lug bolt pattern (can keep stock Ford axles with lug-pattern or | ||
+ | replace axles with GM lug pattern to match the front) | ||
+ | |- | ||
+ | | Ford || 8.8" || G-body 1978-1988 || Drum or Disc || || 61.50" to 62.80" || || || || || || || Other potential Ford donor vehicles with this axle are 1979-2002 Crown Victoria, 1984-1992 Lincoln Mark VII, and 1987-1988 Thunderbird Turbo Coupe || These donors have axle widths ranging from 61.50" to 62.80" which would require expensive work by a machine shop | ||
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+ | |} | ||
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+ | {{youcanedit}} | ||
+ | This "Swap Solutions" series of Wiki articles is intended to help the | ||
+ | customizer, swapper, shade-tree mechanic or junkyard crawler. | ||
+ | |||
+ | The idea is this: when you pull an axle, engine, tranny, driveshaft, | ||
+ | bearing, or ANYTHING from your car, measure the heck out of it. | ||
+ | |||
+ | Countless times I've found myself wishing I had a source to know if | ||
+ | this axle will fit that car, how much that ISB Cummins engine weighs | ||
+ | or if a driveshaft already exists that fits my custom install instead | ||
+ | of paying to have one fabricated. | ||
+ | |||
+ | This article is for Rear Axles. The basic idea is so that when | ||
+ | shopping for a 9" Ford to put under a custom-chassis, the user can | ||
+ | scroll through and review a listing of axles that will fit (or come | ||
+ | close) and possibly avoid headaches. | ||
+ | |||
+ | Using the formatting below, start adding info. You can't add too much | ||
+ | information. Make sure you give the application(s), year(s) and any | ||
+ | possible tidbits you can. If someone can format this better than I | ||
+ | can, please do, but basically use your codes to make columns for the | ||
+ | following characteristics. | ||
+ | |||
+ | #Axle family (like GM 8.5 ten bolt, or Dana 44) | ||
+ | #Application. What year, what vehicle, and any determining factor. | ||
+ | For instance, if I want to find the same 12-bolt you described, it | ||
+ | might be helpful in finding it to know that yours was found in a | ||
+ | station wagon with a big block. Even if you only know YOUR axle's year | ||
+ | it will help. | ||
+ | #Type of brake, disk or drum and their diameter * Or if you will be | ||
+ | able to use your factory brakes, if you like. | ||
+ | #Type of suspension, coil or leaf, trailing arm or torque arm, etc. * | ||
+ | Factory 9" housings do not have a torque arm, although an aftermarket | ||
+ | one can. | ||
+ | #Width from wheel mount to wheel mount | ||
+ | #Width between spring perches, center to center (for leaf axles) | ||
+ | #Width between backing plates | ||
+ | #Width between shock mounts, center to center | ||
+ | #Weight (and note if its with or without brakes) | ||
+ | #Notes for additional information | ||
+ | #Add columns as needed. | ||
+ | Pretty much if you are to swap a stronger rear end in to your car, | ||
+ | you are probably looking at a Ford 9", GM 12 bolt, or Dana 60 (maybe | ||
+ | 44?). | ||
+ | The main item is what will it take to make your new rear fit? For | ||
+ | example, If you want to swap a junkyard 9" in a 99 SS Camaro, the | ||
+ | width of the housing would need adjustment, weld on the suspension | ||
+ | control arm brackets, coil spring brackets, shock brackets. Special | ||
+ | length axles are needed if the housing is narrowed. | ||
+ | Brackets for factory brake backing plates to use factory style | ||
+ | brakes. Torque arm bracket (or go with ladder bars) and some people | ||
+ | want to keep the Anti-Lock-Brakes. If you want to do that, you have to | ||
+ | have a special diff carrier, and you have to drill a hole in the | ||
+ | housing to mount the sensor to read the reluctor ring. | ||
− | + | Your drive shaft yoke might be the same, but it might be different, | |
− | + | so that is another thing that will attention. Most of the time you | |
− | + | will need you will need a new driveshaft. | |
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− | + | Once completed, a rear differential swap will have been completely | |
− | + | worth it. | |
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+ | [[Category:Rearend]] | ||
− | + | {{youcanedit}} |