conversion from drum rear to disc rear

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Jul 9, 2005 | 09:56 PM

blackroc68

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conversion from drum rear to disc rear

i swapped the rear from my 1988 transam to a 1988 disc brake 9 bolt changed master cylinder and proportioning valve the lines from the master cylinder to this valveare the same as the original. but the bottom 2 are much larger. anybody know how i can install it .is the ile valve diffrent all lines match up accept the two on top going to the master. any help is appreciated.

Jul 13, 2005 | 07:49 PM

Parrydise7

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Search for posts by ebmiller88 on this. IIRC this is the guy that has this sorted out.

Jul 19, 2005 | 08:59 AM

ebmiller88

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From: Fort Mill, SC, USA

Car: '88 Iroc, '91 RS, and a '70 RS

Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag

Transmission: A4, A4, slated to be a T56

The top lines dont' match up? My advice would be to change out those lines with a set that do work, all masters have the same threads so they'd be sure to work. Just pick a car at a scrap yard and see what works.

Ed