I need help with a differential
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Junior Member
Joined: Nov 2011
Posts: 3
Likes: 0
From: Menifee, CA
Car: 1986 Camaro Iroc-z
Engine: V-8 5.0L TPI (being replaced)
I need help with a differential
ok first off ive never rebuilt a car, never even really messed around other than basic maintenance.
im starting off with the rear axle and suspension, its all ripped out right now. i do not have a posi differential, currently in the process of getting one. does the gear ratio have to be specific to match the trans/eng at all? now i understand the higher the ratio the higher the TQ and overall a faster rotation. ive just never done this before and i dont know. i may sound really dumb, but whatever. any advice will help. thanks.
also im located by temecula, ca if anyone wants to help or needs help.
im starting off with the rear axle and suspension, its all ripped out right now. i do not have a posi differential, currently in the process of getting one. does the gear ratio have to be specific to match the trans/eng at all? now i understand the higher the ratio the higher the TQ and overall a faster rotation. ive just never done this before and i dont know. i may sound really dumb, but whatever. any advice will help. thanks.
also im located by temecula, ca if anyone wants to help or needs help.
Joined: Mar 2000
Posts: 5,711
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: I need help with a differential
A standard performance gear would be 3.23's, slightly modded 3.42's, highly modded
3.73's.
You also need to change speedo gears in the trans to match the gear ratio.
3.73's.
You also need to change speedo gears in the trans to match the gear ratio.
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