3.42 posi "help"
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Junior Member
Joined: Aug 2003
Posts: 3
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From: Texas
3.42 posi "help"
i just bought a 79 Trans Am, and the previous owner just put in
3.42 gears in the differential...i want to know if thats a good gear ratio if i want to put in a pontiac 400 with a 400 transmission to burn some rubber, and drive pretty good, and have a fast take off...can somebody help me out....thanks!
3.42 gears in the differential...i want to know if thats a good gear ratio if i want to put in a pontiac 400 with a 400 transmission to burn some rubber, and drive pretty good, and have a fast take off...can somebody help me out....thanks!
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Joined: Aug 2004
Posts: 1,367
Likes: 0
From: Nanticoke, Pa
Car: 89 Firebird
Engine: 406 CI
Transmission: Pete K 700R4
Axle/Gears: 3:55
Very vauge question. In my "opinion" 3.42 is a good all around ratio. Others may disagree. State the intended purpose for the car and you will likely get more input.
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