1le brakes???
Thread Starter
Joined: Jul 2002
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From: NOR CAL USA
Car: 89 iroc-z 5.7tpi 350,
Engine: 5.7tpi 350,
Transmission: T-56
1le brakes???
how do i know i have 1LE brakes?? i ran every rpo code i have, i do have 4 wheel disc, 5.7tpi 89 iroc-z fully loaded but do i have or how can i tell if i have 1LE brakes?
Supreme Member
Joined: Mar 2003
Posts: 4,771
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From: Florida
Car: 1987 Black IROC-Z (SOLD)
100% sure you do not have 1LE brakes, if you have a 5.7 IROC-Z and you have 10.5 Dia front & 11.655 Dia rear rotors.
Last edited by DJP87Z28; Mar 3, 2004 at 09:08 PM.
Thread Starter
Joined: Jul 2002
Posts: 2,789
Likes: 0
From: NOR CAL USA
Car: 89 iroc-z 5.7tpi 350,
Engine: 5.7tpi 350,
Transmission: T-56
Originally posted by DJP87Z28
100% sure you do not have 1LE brakes, if you have a 5.7 IRPC-z
you have 10.5 Dia front & 11.655 Dia rear rotors.
100% sure you do not have 1LE brakes, if you have a 5.7 IRPC-z
you have 10.5 Dia front & 11.655 Dia rear rotors.
Supreme Member
Joined: Jul 2003
Posts: 1,096
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From: Lima, OH
Car: '89 Formula 350 & '86 Z28
Engine: L98 & 355ci
Transmission: 700r4 in both
If you had 1LE brakes, you would have either a 1LE or a B4C RPO code.
The 1LE brakes were special, do some research on 1LE (porpose built racecars) and the B4C is the police package that got the 1LE brakes.
you are correct 1LEs are dual piston
The 1LE brakes were special, do some research on 1LE (porpose built racecars) and the B4C is the police package that got the 1LE brakes.
you are correct 1LEs are dual piston
Last edited by SweetS10v8; Mar 3, 2004 at 09:03 PM.
Supreme Member
Joined: Mar 2003
Posts: 4,771
Likes: 15
From: Florida
Car: 1987 Black IROC-Z (SOLD)
Read the info in the Tech Data on the home page of this site. Will clue you into the history of what brakes were available thur the years. And again you do not have the 1LE brakes.
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