C4 brakes on my 87 IROC?
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From: El Paso, Texas
Car: 1987 IROC Z
Engine: 350 TPI L98 block
Transmission: 700R4
C4 brakes on my 87 IROC?
I have access to a set of disc brakes and calipers from a C4 vette. I've heard their is some difficulty to it, but how do I get these to fit on my 87 IROC ? What modifications would be necessary ?
Thread Starter
TGO Supporter
iTrader: (1)
Joined: May 2002
Posts: 2,480
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From: El Paso, Texas
Car: 1987 IROC Z
Engine: 350 TPI L98 block
Transmission: 700R4
Interesting thread... Do you know if it would make a difference that I have billet adapters so that I can fit my C5 wheels on ?
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Joined: Sep 2001
Posts: 1,355
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From: MN
Car: 2009 Pontiac G8 GXP
Engine: LS3
Transmission: 6L80E
Axle/Gears: 3.27
I bought Ed's kit and will be receiving it in a week or so...I will post something then...also, check out the post in the Aftermarket Vendor area.
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Joined: Jul 1999
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From: Another world, some other time
Car: 86 LG4 & 92 TBI Firebird
Engine: The Mighty 305!
Transmission: 700R4
Axle/Gears: 3.42
Originally posted by omnipotentgoku
Interesting thread... Do you know if it would make a difference that I have billet adapters so that I can fit my C5 wheels on ?
Interesting thread... Do you know if it would make a difference that I have billet adapters so that I can fit my C5 wheels on ?
Supreme Member

Joined: Aug 2001
Posts: 2,136
Likes: 2
From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
All the info you need to do the swap can be found here:
https://www.thirdgen.org/techbb2/sho...hreadid=142115
https://www.thirdgen.org/techbb2/sho...hreadid=142115
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