2.77 to something better?
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Senior Member
Joined: Jul 2003
Posts: 543
Likes: 2
From: So Cal
Car: 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R-4
2.77 to something better?
Hey guys, I need to know what it will take to change my borg-warner 9 bolt (2.77) to something more like a 3.43 or 3.45 gear. Will I have to buy and entire new rear-end, or can I just throw the new ring and pinion in it? I am having problems finding a company that makes a lower gear that will just go into a borg-warner 9 bolt. Thank you.
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Joined: Jan 2004
Posts: 171
Likes: 0
From: Texas
Car: 92 RS
Engine: L03
Transmission: T-5
Axle/Gears: 3.23
Joined: Oct 2001
Posts: 12,212
Likes: 1,140
From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
I hope you guys see this ... we have a 3.27 posi out of a 89 TTA and we need a 2.77 posi rear ... PM me or E-mail me thanx
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