Swapping from Drums on my 10 bolt to discs off a 9 bolt.
10-26-2008, 11:36 PM
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Car: 1987 Trans Am GTA
Engine: 355 TPI
Transmission: 700R-4
Axle/Gears: 10 bolt limited slip with 3.42
Swapping from Drums on my 10 bolt to discs off a 9 bolt.
So I am looking into swaaping my drums on my 10 bolt for discs that are coming off a borg-warner 9 bolt rear end. Currently my car has a disc brake proportioning valve on it. I know i am going to need the brackets for the calipers. Will they fit with the 10 bolts axles or is this just a lost cause ??? 
10-29-2008, 03:45 PM
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Re: Swapping from Drums on my 10 bolt to discs off a 9 bolt.
The 9 bolt discs won't be a direct bolt on, the disc and drum axle flanges are different. You can mod the flanges to make the backing plates fit, and on top of that you'll need the disc e-brake cables, hard and flex lines, and a few other small parts. Not too bad really.
Ed
Ed
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