rear disc brakes?
TGO Supporter
Joined: Nov 2001
Posts: 11,634
Likes: 3
From: Maryland; USA
some one could of swapped in a different rear end..
did you run your rpo codes yet?
https://www.thirdgen.org/cgi-bin/rpo/index
did you run your rpo codes yet?
https://www.thirdgen.org/cgi-bin/rpo/index
Supreme Member
iTrader: (1)
Joined: Sep 2002
Posts: 2,565
Likes: 10
From: Texas
Car: 1992 Formula Firebird
Engine: 305CID (LB9)
Transmission: World Class T5
Axle/Gears: 10-bolt, 4.10 gears
It just depends. It is possible to have gotten a rear disc setup. It just depends on how the car came. It was an option, not standard.
Thread Starter
Junior Member
Joined: Dec 2002
Posts: 99
Likes: 0
From: albuquerque
Originally posted by 87WS6
It just depends. It is possible to have gotten a rear disc setup. It just depends on how the car came. It was an option, not standard.
It just depends. It is possible to have gotten a rear disc setup. It just depends on how the car came. It was an option, not standard.
Supreme Member
Joined: Nov 2001
Posts: 1,526
Likes: 0
From: Cleveland, OH
Car: '87 Camaro LT
Engine: 355 L98
Transmission: T56
Originally posted by 600_dollars
oh i didnt have any idea that american cars could have had a rear disk at that time ..
oh i didnt have any idea that american cars could have had a rear disk at that time ..
i saw an early 70s lincoln in a boneyard with a disk rear and i'm sure other american cars had them long before
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Supreme Member
Joined: Mar 2000
Posts: 13,414
Likes: 6
From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
84 Trans Am's with manual trannies and engine code "G" got 4-wheel disc's... I know... I pulled a disc axle out of an '84 trans am.
The good news is your axle is also a 3.73 with a posi!
The bad news is the posi is actually an Eaton gov-lock locker. Do a Search on this board for Eaton gov-lock.. they're a bad design, and can fail. Mine blew up; now I'm back on a junkyard rear drum axle.
Bad news #2? Well your rear discs were recalled.
Yep, 82-88 rear discs had a recall out on 'em. Since you've got a manual trans (right?), you can drive into a GM dealership, they can run the VIN, and find out if the recall kit was put onto your car. If it wasn't, they're supposed to do it for free. (It's a SAFETY recall, doesn't expire.) I fought this problem for a long time when I did the swap, find out about it here: https://www.thirdgen.org/techbb2/sho...postid=1098527 I just pushed this message to the top, in case anyone else needs this... don't want any 82-88 owners killing themselves (or spending $1000's in brake work) when a $50 kit will fix it all!
The good news is your axle is also a 3.73 with a posi!
The bad news is the posi is actually an Eaton gov-lock locker. Do a Search on this board for Eaton gov-lock.. they're a bad design, and can fail. Mine blew up; now I'm back on a junkyard rear drum axle.
Bad news #2? Well your rear discs were recalled.
Yep, 82-88 rear discs had a recall out on 'em. Since you've got a manual trans (right?), you can drive into a GM dealership, they can run the VIN, and find out if the recall kit was put onto your car. If it wasn't, they're supposed to do it for free. (It's a SAFETY recall, doesn't expire.) I fought this problem for a long time when I did the swap, find out about it here: https://www.thirdgen.org/techbb2/sho...postid=1098527 I just pushed this message to the top, in case anyone else needs this... don't want any 82-88 owners killing themselves (or spending $1000's in brake work) when a $50 kit will fix it all! 
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