3rd gen brakes on 4th gen rear

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Nov 11, 2004 | 08:46 AM

Siegel1719

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From: Downriver, MI

Car: 85 Iroc

Engine: 461

Transmission: Turbo 400

Axle/Gears: 3.73

3rd gen brakes on 4th gen rear

Will the disk brakes on my third gen fit my new 4th gen rear? Its an 85 Iroc and the rear end is a 95 z28 wit limited slip and 3.73 gears.

Thanks
Jeremy

Nov 11, 2004 | 10:44 AM

JamesC

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From: Lawrence, KS

Car: Met. Silver 85 IROC/Sold

Engine: 350 HO Deluxe (350ci/330hp)

Transmission: T-5 (Non-WC)

Axle/Gears: Limited Slip 3.23's

No. Different sized rotors, different backing plates, different calipers, etc.

JamesC

Nov 11, 2004 | 10:55 AM

TexasLT1

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From: Angleton, TX

Car: '92 RS

Why would you want to use your 3rd gen brakes anyway? The 4th gen's are better.

Nov 11, 2004 | 06:21 PM

ShiftyCapone

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From: Cincinnati, OH

Car: '90 RS

Engine: 377 LSX

Transmission: Magnum T56

Quote:

Originally posted by TexasLT1
Why would you want to use your 3rd gen brakes anyway? The 4th gen's are better.

Agreed. Also, the 3rd and 4th gen rears did vary slightly even though they are basically the same 10 bolt. Axle lengths changed from the 3rd gens, LT1, and LS1 cars are all different. Being as such you need to run the brakes that are desinged to work with said rear.