What Differential For the LS1 Swap
Thread Starter
Member
Joined: Mar 2003
Posts: 219
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From: Fremont, California
Car: 89 IROC-Z
Engine: 350 TPI
Transmission: 700r4
What Differential For the LS1 Swap
My buddy and I are swapping an LS1 into his 95 2.8L Camaro. Ive been reading about what diff to replace his old one with and im coming up with nothing. Ive read about the brake lines and the gearing.
What im asking for is what year 4th gen camaro differential will work the best?
Will a 97 camaro rear end work? if it is disk brake and from the Z28?
Thanks
What im asking for is what year 4th gen camaro differential will work the best?
Will a 97 camaro rear end work? if it is disk brake and from the Z28?
Thanks
Joined: May 2004
Posts: 5,338
Likes: 73
From: Lexington, SC
Car: 1987 SC/1985 TA
Engine: 350/vortec/fitech
Transmission: T56
Axle/Gears: 3.27 9-bolt
Re: What Differential For the LS1 Swap
the fourth gen differential isn't any stronger than the later, 28 spline third gen diffs, which you probably have in your 89. It's slightly wider as well so you'll have to deal with that.
Thread Starter
Member
Joined: Mar 2003
Posts: 219
Likes: 0
From: Fremont, California
Car: 89 IROC-Z
Engine: 350 TPI
Transmission: 700r4
Re: What Differential For the LS1 Swap
thanks thats good to know. What do you recomend? should i rebuild it with a eaton and some new gears?
Joined: May 2004
Posts: 5,338
Likes: 73
From: Lexington, SC
Car: 1987 SC/1985 TA
Engine: 350/vortec/fitech
Transmission: T56
Axle/Gears: 3.27 9-bolt
Re: What Differential For the LS1 Swap
There are some threads here on beefing up the 10 bolt rear end. You'll have to run the math, determine your needs and desires and decide whether to upgrade what you've got or invest in alternatives.
Re: What Differential For the LS1 Swap
The '85 rear end is going to have 26 spline axles in it. If you are going to do a 4th gen swap then you probably want to get a rear end from an LS car, not the LT1 car. I understand that the LS cars had the Torsen differential and the LT1 cars had the Auburn. The Auburn isn't worth the swap. If you want to build the rear end that you have then get a set of 28 spline axles and an Eaton Posi.
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