rear drum to disc to change over any one done it?
Joined: Dec 1999
Posts: 5,964
Likes: 37
From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
I just did it. A 9-bolt 3.45 posi/disc from a 88 Iroc for my 10-bolt 2.73 open/drum rear. I got new parking brake cables too, but found out there was a change in the lever mechanism as well. The 88 had an adjustable rod for the connector saddle. My 90 had no such provision. I will have to change out the PB lever mechanism too. It will wait until my T5 swap, since it involves pulling out the seats & carpeting along with center console. Good luck, Lon.
Supreme Member
Joined: Mar 2000
Posts: 13,414
Likes: 6
From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
I also just did this swap... alot depends on the years of the axles and cars. That can mean a little or a lot of work. Swapping the axle in/out is cake- the brakes take up the rest of the time.
What years are the axles/cars in question?
-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
What years are the axles/cars in question?
-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
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