rear end?
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Member
Joined: Feb 2010
Posts: 222
Likes: 0
From: liverpool ny
Car: 1990 firbird formula
Engine: 355ci
Transmission: t56 spec3+ cluch
Axle/Gears: 9 bolt disc brake 2.77
rear end?
ok so i lost my haynes manuel and i was wondering what the rear end in my 1990 firebird formula was is it a 10 bolt? and if so what size?
Joined: Sep 2005
Posts: 27,871
Likes: 2,430
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: rear end?
A Haynes probably wouldn't have told you that anyway; but however that may be, yes, it's a 7.625" 10-bolt.
Supreme Member
Joined: Apr 2006
Posts: 4,482
Likes: 9
From: Northern, CA
Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: rear end?
Here's a link that you may be interested in = https://www.thirdgen.org/1990-pontiac-firebird
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: rear end?
For more info, check the 10-Bolt sticky at the top of the page.
JamesC
JamesC
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