2.93 rear axle # of drive teeth?
Thread Starter
Banned
Joined: Jan 2007
Posts: 127
Likes: 0
From: North East
Car: 1982 Trans Am
Engine: Chevy 350
Transmission: Turbo 350
Axle/Gears: Stock 2.93
2.93 rear axle # of drive teeth?
I'm trying to get my speedo working properly as it's about 20-25mph off (higher) than where it should be. I have an '82 TA w/ a turbo350 tranny, chevy 350 engine, stock 2.93 rear axle & p215/65r/15 tires (26" diameter). I've seen the dfferent formula's to figure out which gear I need to get my speedo accurate, but need the # of drive teeth? Any help?
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: 2.93 rear axle # of drive teeth?
I have never heard of a stock 2.93 rear axle. They're either 2.73 or 3.08.
This thread will help you with those two choices:
https://www.thirdgen.org/forums/tran...eedo-gear.html
This thread will help you with those two choices:
https://www.thirdgen.org/forums/tran...eedo-gear.html
Thread Starter
Banned
Joined: Jan 2007
Posts: 127
Likes: 0
From: North East
Car: 1982 Trans Am
Engine: Chevy 350
Transmission: Turbo 350
Axle/Gears: Stock 2.93
Re: 2.93 rear axle # of drive teeth?
Confirmed the rear axle number with a Pontiac dealership & one other well-known 3rd gen TA restorer. The code inscripted on the front, passenger side axle is 2PXC1042. Rear code (PX) says I have a 2.93. PZ would have been a 3.23.
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