90-irocdx3 , did you dyno?
12-23-2007, 10:52 PM
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Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: 90-irocdx3 , did you dyno?
no i havent had the money yet, also i am making about 3 pounds of boost on the 4.00 pulley, so i just bought a 3.55 pulley hoping to make 7-8 pounds of boost. my car is pretty nasty right now though, i can lite the tires up on the freeway with the 2.73s gears. i should have some time after christmas to dyno it.
12-24-2007, 10:30 AM
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Re: 90-irocdx3 , did you dyno?
I'd kill to have a 2.73 posi so long as I was doing mainly highway miles. 
12-24-2007, 10:24 PM
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Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: 90-irocdx3 , did you dyno?
its not so bad having 2.73s since my car is my daily driver. i will someday get a 9 inch with 3.55 gears,but for now iam good. 
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