Posi Problems...
Thread Starter
Supreme Member
iTrader: (7)
Joined: Nov 2006
Posts: 3,740
Likes: 15
From: Alamogordo, NM
Car: 88 Formula 350
Engine: 5.7
Transmission: T-56
Axle/Gears: 9" 3.89
Posi Problems...
I have an 88 Firebird formula 350 and the Posi traction has been acting up. No noises, runs smooth and everything. But when I punched it only one wheel spun. Same with powerbraking, only one wheel spins. What is going on?
Re: Posi Problems...
Yep, you got the infamous and all too common, 9 bolt posi problem. If it only recently started to slip, you might be able to fix it by shimming the clutch cones. There's a write up on how to do this in the tech articles section here. Thread Starter
Supreme Member
iTrader: (7)
Joined: Nov 2006
Posts: 3,740
Likes: 15
From: Alamogordo, NM
Car: 88 Formula 350
Engine: 5.7
Transmission: T-56
Axle/Gears: 9" 3.89
Re: Posi Problems...
Could I just upgrade gears? If so, what are my options?
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Also, the wheels switch off. Sometimes the drivers side spins, and sometimes the passenger wheel spins.
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Also, the wheels switch off. Sometimes the drivers side spins, and sometimes the passenger wheel spins.
Last edited by Bullydawg; Dec 21, 2007 at 11:06 AM. Reason: Automerged Doublepost
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