pozzy traction?
- Thread starter 1980REDMALIBU
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like i sead im planing on throughing a 350 in it
My First Car
1980 Malibu
4.4L 267cube
2.5 exhaust
daily driver
My First Car
1980 Malibu
4.4L 267cube
2.5 exhaust
daily driver
Posi-Traction, or 'Posi' for short was optional on EVERY g-body vehicle.
It is listed as G80 on your SPID or RPO label or buildsheet.
The easiest way to spot it from the factory is to look for a small aluminum tag that is on the rear differential cover that states "Use limited slip differential fluid only".
Not only is a Ford 9" or 8.5" ten bolt overkill, a 267 doesn't even have enough torque to break both tires loose unless it's on wet/snow covered pavement. My 267 could barely break one tire loose on the wet...
Look on eBay for a used 7.5" Posi carrier, they usually go fairly cheap. Swap on your gear, and you're good to go. An aftermarket one is far more expencive and really not necessary for the amount of power you're working with.
It is listed as G80 on your SPID or RPO label or buildsheet.
The easiest way to spot it from the factory is to look for a small aluminum tag that is on the rear differential cover that states "Use limited slip differential fluid only".
Not only is a Ford 9" or 8.5" ten bolt overkill, a 267 doesn't even have enough torque to break both tires loose unless it's on wet/snow covered pavement. My 267 could barely break one tire loose on the wet...
Look on eBay for a used 7.5" Posi carrier, they usually go fairly cheap. Swap on your gear, and you're good to go. An aftermarket one is far more expencive and really not necessary for the amount of power you're working with.
yupp spell check would be a nice thing to have! do not worry about your rear end. focus on the engine, swap that out first.
ok ill through a 350 in first
and ya in the wet i can get it going pretty good
My First Car
1980 Malibu
4.4L 267cube
2.5 exhaust
daily driver
and ya in the wet i can get it going pretty good
My First Car
1980 Malibu
4.4L 267cube
2.5 exhaust
daily driver
i noticed a HUGE difference from my open 3:08 geared SS to my other 3:73 factory posi unit in my current SS...
Blake442 said:
Hmm.. my 262 Silverado, after taching up, spins the wheels 10/20 seconds before braking loose with an open dif, how is this engine so much different than the 267, even if in a car?
1980REDMALIBU - a posi unit would be a great improvement for your car, and you will see the difference, especially if you decide to get a lower gear. If that gear is aggressive enough, you might even reconsider buying a new engine...just my 2 cents
custom442 said:
Well, your truck has no weight over the rear tires for starters. Mine was in a wagon, with a bit more weight over the rear.
I'm assuming you have a newer 4.3L V6, correct? Those have quite a bit more power than the old 267 (4.4L) V8 did. So it's a lot different.
Yes, the 4.3. Even with a 300 lb. top it still spins the tires like mad. I'm guessing the biggest difference is the transmission, it's easy to spin tires after revving close to 6 grand and letting off the clutch. I'm assuming the 267's transmission doesn't allow for that. Either way, LSD is the way to go. About the only thing an open dif is good for is gas mileage and freeway shifting, but the plus side is very small.
My 267 v8 malibu with highway gears will smoke the tires like mad. Feels like it has as much power as my dads with a 350.
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