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Old 11-24-2008, 11:21 AM   #1
skeet85silverado
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rear end help

Hello fellows I got a 1982 chevrolet silverado with a mildly built 350 with a 350 transmission. This is the question i got i want to do something to my rear end. I believe i have the orginal 2.73 rear end. I want to to have posi tration. right now only one wheel spins when i nail it. What all do i need to get posi on my truck But i dont want suffer with losing gas mileage either.
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Old 11-28-2008, 04:44 AM   #2
turbotank
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Re: rear end help

You should be able to buy a posi kit to go in the rearend,depending on what it is,but you May,note may,come off cheaper getting a used rearend with posi.Maybe you can just take the posi unit out of another rearend.
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Old 11-28-2008, 10:30 AM   #3
LONGHAIR
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Re: rear end help

If you are not looking to change the gear ratio at the same time, the simplest way to go is to install an add-on unit like a "Power Trax". It will cost about $450, but it only takes a couple of hours to install and it doesn't require all of the "professional" equipment.
Swapping an entire differential really does take a "pro".

You could go the used route, but it may take quite a bit of time to find the right ratio and a posi unit together. Finding a posi and a 2.73 is going to be at least a little difficult...and the Power Trax is a better unit that the factory Gov-Lock anyway.
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Old 11-28-2008, 05:59 PM   #4
turbotank
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Re: rear end help

10 bolt shouldn't be a gov-lock,should it? Should either be a clutch posi,or an auburn style clutchless.
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