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Dec 28, 2005 | 08:29 PM

firebird45331

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Senior Member

Joined: May 2005

Posts: 500

Likes: 0

From: greenville, OH

Car: 86 Firebird, 2002 Monte Carlo, 91 v

Engine: 350

Transmission: 700R4

posi

is there a 2.73 posi?

Dec 28, 2005 | 09:41 PM

tom3

Supreme Member

Joined: Jan 2004

Posts: 2,322

Likes: 100

From: So. Ohio

Car: 88 Camaro

Engine: L98 350

Transmission: 700r4

Very standard ratio and would have been available with posi in the automatic cars I'd think. The IROC series usually had the 2:77 posi in the nine bolt, those are a bit rarer.

Dec 29, 2005 | 06:39 AM

naf

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iTrader: (7)

Joined: May 2004

Posts: 5,338

Likes: 73

From: Lexington, SC

Car: 1987 SC/1985 TA

Engine: 350/vortec/fitech

Transmission: T56

Axle/Gears: 3.27 9-bolt

Yes, I've recently put one in my pontiac. Supposedly came out of a 88/89 GTA.

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