Suspension and Chassis Questions about your suspension? Need chassis advice?

Were 4 wheel disc brakes an option in 1985 for the IROC?

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Old Mar 24, 2002 | 10:47 PM
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383 Smoka's Avatar
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From: Hamilton, Ontario, Canada
Were 4 wheel disc brakes an option in 1985 for the IROC?

Just wondering if my rear end is stock or not.... It has 4 wheel disc and its an 85 IROC Z.... Thanks...
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Old Mar 25, 2002 | 12:26 AM
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oldblueZ's Avatar
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From: Littleton, CO
Car: 85 Z28
Engine: 305 TPI (dead) -> building 355
Transmission: 27 spline 700R4 (another one died) -> T5 goin in next
yes
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Old Mar 25, 2002 | 10:03 AM
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
If you still have the RPO code sheet in the center console or rear glovebox, look for code "J65", that's the code for 4-wheel-disc.
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Old Mar 25, 2002 | 01:05 PM
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Ok, thanks alot..
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Old Mar 26, 2002 | 01:03 AM
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From: Castro Valley, CA 94546
J65 for me too.
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