Disc Brake Conversion? - Chevy Impala Forums
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post #1 of (permalink) Old 11-10-2009, 10:00 AM Thread Starter
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Disc Brake Conversion?

I have a 1994 Caprice Wagon with the LT1 350. It has front disc/rear drum brakes. I was wondering if it is possible to take the rear disc setup from an LT1 F-body and swap it on the rear axle from my LT1 B-body. Would it be easier(or possible without major modification) to just swap the axle out with the F-body axle? Would it be an easy bolt-in deal? Thanks in advance for any help.
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post #2 of (permalink) Old 11-11-2009, 08:18 AM
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I asked about using an F-body rear end on here before, I was told that they aren't strong enough for the B-body's. However, you could get a rear end from a 94-96 SS or 9C1, they have discs.

1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
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Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
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95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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post #3 of (permalink) Old 11-11-2009, 10:01 AM
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I don't think you can swap rear axles from sedans and wagons as they are different widths.
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post #4 of (permalink) Old 11-11-2009, 11:48 AM
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Quote:
Originally Posted by dintymoore View Post
I don't think you can swap rear axles from sedans and wagons as they are different widths.
^^^^^^^^^^^^^^^ This!

He beat me to the punch!
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post #5 of (permalink) Old 11-11-2009, 07:19 PM
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should be able to switch backing plates and it should work but must get b body disk brake backing plates and everything else reuse your rear end
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post #6 of (permalink) Old 11-12-2009, 03:36 AM
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Quote:
Originally Posted by Bizkitss81 View Post
should be able to switch backing plates and it should work but must get b body disk brake backing plates and everything else reuse your rear end
Nope... that won't work either. The axle bearings on the wagon are larger, requiring a larger diameter axle tube at the flange.

Some people have swapped sedan axles into wagons, but the spring perches don't accurately line up. This could result in spring failure down the road, but so far no one has reported any problems. I don't think that it's a good idea, but it's your call.
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post #7 of (permalink) Old 11-14-2009, 05:05 PM Thread Starter
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Well I thank everyone for their input. After seeing what would be needed to do the swap, I think I'll just stick with drums. Its not like I race the wagon or anything, I just though having 4 wheel disc would be a nice additive but I have no problem with the drums that it has. You guys saved me from a whole bunch of headaches. Thanks again.
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post #8 of (permalink) Old 11-15-2009, 06:10 AM
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There are aftermarket kits to add rear disc brakes to wagon... just no cheap OEM solutions.
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