gear question
Thread Starter
Junior Member
Joined: Jul 2011
Posts: 43
Likes: 0
From: liberty new york
Car: 1985 pontiac firebird t-tops
Engine: 350 with 305 heads
Transmission: t-5
Axle/Gears: 4th gen rearend with 3.23 gears
gear question
i am kind of new here. i just picked up a 85 t/a. the kid told me it has a 4th gen 6 speed rearend with 3.23 gears. is there any way to verify this?
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: gear question
JamesC
Thread Starter
Junior Member
Joined: Jul 2011
Posts: 43
Likes: 0
From: liberty new york
Car: 1985 pontiac firebird t-tops
Engine: 350 with 305 heads
Transmission: t-5
Axle/Gears: 4th gen rearend with 3.23 gears
Re: gear question
that explains why it sticks out so much in the rear
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: gear question
Here's the link I neglected to post above:
https://www.thirdgen.org/forums/tran...-10-bolts.html
JamesC
https://www.thirdgen.org/forums/tran...-10-bolts.html
JamesC
Joined: Oct 2013
Posts: 2,612
Likes: 157
From: Louisville, KY
Car: 1983 Z28
Engine: 385 Fastburn
Transmission: T-5
Axle/Gears: BorgWarner 9-bolt posi, 3.27 gears
Re: gear question
Did you maintain the stock tire height? because changing that can throw the speedometer off too.
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Thread Starter
Junior Member
Joined: Jul 2011
Posts: 43
Likes: 0
From: liberty new york
Car: 1985 pontiac firebird t-tops
Engine: 350 with 305 heads
Transmission: t-5
Axle/Gears: 4th gen rearend with 3.23 gears
Re: gear question
its go 235/55/17 with a fourth gen rear with 3.23 gears
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