Question on spacers
Thread Starter
Senior Member
Joined: Aug 2010
Posts: 680
Likes: 2
From: Lincoln, NE
Car: 86 Iroc-Z28
Engine: 5.3
Transmission: 4l60
Question on spacers
Want to run 4th gen firebird rims want to know the size that i need to run 265s in back and 255s up front and have them tucked nicely like this
Joined: Aug 2011
Posts: 2,379
Likes: 10
From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: Question on spacers
if stock wheels then 2"
simple search would do
simple search would do
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iTrader: (5)
Joined: Mar 2011
Posts: 2,893
Likes: 4
From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: Question on spacers
Skip the spacers & put in a 4th gen rear end. Use a 98+ & you'll get a better posi unit + bigger brakes + not have to add weight to the setup nor hafta run double (20) the lug nuts + have a lower mileage rear end which equals less wear on it.
Supreme Member

Joined: Jul 1999
Posts: 2,756
Likes: 10
From: Ahead of you...
Car: 1984 LG4 Camaro
Engine: 350 Roller Motor
Transmission: Level 10 700R4
Axle/Gears: Strange 12 bolt 3.42
Re: Question on spacers
The car in the pic looks like it has a widebody rear fenders on it to me - could just be the angle of the shot...
Joined: Aug 2011
Posts: 2,379
Likes: 10
From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: Question on spacers
99+ 4th gen had torsen posi thats when the started using them
98 and down had auburn posi
you want the torsen posi ...not the auburn due too fact once it wears out its junk
yea thats a wide body 5th gen way too much junk in the trunk lol
Senior Member



Joined: Apr 2006
Posts: 836
Likes: 0
From: Pgh PA
Car: 89 5.7 IROC/95 LT1 Corvette
Engine: All 5.7's
Transmission: 700R4 (Roessler)/ZF6
Axle/Gears: 10 bolt Zexel 3.23's. CTW 17" wheel
Re: Question on spacers
Agreed, Zexel is the only way to go for a Posi.
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