Rear end questions
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Member


Joined: Jun 2006
Posts: 405
Likes: 14
From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
Rear end questions
I have to change out my rear end, what are the best gear ratio's to use for 86 Camaro with 95 Lt1, and where on the net can I buy one
Thread Starter
Member


Joined: Jun 2006
Posts: 405
Likes: 14
From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
Re: Rear end questions
it is the stock lt1 with headers, and I am using the 4l60e. Im wanting to change out my rear end because the 86 Camaro which I swapped the LT1 in was a 2.8v6 and has a 3:08 rearend ratio, no posi
Last edited by 86iroc504; May 10, 2008 at 10:45 PM.
Junior Member

Joined: Nov 2003
Posts: 73
Likes: 0
From: south central pa
Car: 85 trans am
Engine: lg4
Transmission: t5
Axle/Gears: 3.27 9 bolt
Re: Rear end questions
my suggestion, and this is w/o really knowing what your overall plans are for the car..either 3.42's or 3.73
i'd personally go with 3.42's..plus its an easy set to get ahold of..since it was a common factory ratio...but thats just my opinion
i'd personally go with 3.42's..plus its an easy set to get ahold of..since it was a common factory ratio...but thats just my opinion
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iTrader: (2)
Joined: Nov 2002
Posts: 774
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From: Idaho Falls
Car: 82 Trans Am
Engine: LTX
Transmission: T56
Axle/Gears: 3.42 strengthed 7.5 inch
Re: Rear end questions
when I first did my LT1 I used a 4l60e and 3.42s that worked pretty good for the street..
Thread Starter
Member


Joined: Jun 2006
Posts: 405
Likes: 14
From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
Re: Rear end questions
good deal, I just was going to get a hold of a 82-92 Iroc 3:42 posi rear end and swap it for my 3:08 so everything should line up(brake lines,etc....)
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iTrader: (3)
Joined: Aug 2006
Posts: 559
Likes: 3
From: washington
Car: 88 Trans am GTA
Engine: 2002 Ls1
Transmission: t-56
Axle/Gears: Ford 9" 4.11 gears w/ locker
Re: Rear end questions
how much would it cost to build a ford 9" i have a complete 9" laying around but need to narrow it, and build it to handle over 500rwhp, right now my 84 t/a with an 02 ls1 and t56 is pretty stock, i have a powertrax locker in the stock rear with 3.73 gears, should the stock rear the way it is now hold up to a couple tests at the track?
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Joined: Sep 2006
Posts: 340
Likes: 1
From: Fort Hood, Texas
Car: 1991 Camaro Z28
Engine: 2002 SS LS1
Transmission: 6 speed
Axle/Gears: Auburn 3.42
Re: Rear end questions
how much would it cost to build a ford 9" i have a complete 9" laying around but need to narrow it, and build it to handle over 500rwhp, right now my 84 t/a with an 02 ls1 and t56 is pretty stock, i have a powertrax locker in the stock rear with 3.73 gears, should the stock rear the way it is now hold up to a couple tests at the track?
Senior Member
iTrader: (3)
Joined: Aug 2006
Posts: 559
Likes: 3
From: washington
Car: 88 Trans am GTA
Engine: 2002 Ls1
Transmission: t-56
Axle/Gears: Ford 9" 4.11 gears w/ locker
Re: Rear end questions
for all i know the gears might be richmond, the powertrax is, what times are you running with the ls1?
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