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-   -   need a posi for the '86 (http://www.hotrodders.com/forum/need-posi-86-a-145698.html)

zak 09-26-2008 01:42 PM

need a posi for the '86
 
I need a 3.73 posi trac rear end for my '86 chevy, what rearends are interchangeable, or do i need to buy all the gears and **** new?

prostreet6t9 09-26-2008 02:52 PM

Quote:

Originally Posted by zak
I need a 3.73 posi trac rear end for my '86 chevy, what rearends are interchangeable, or do i need to buy all the gears and **** new?

86 chevy? car? truck? what ratio do you have now? :)

zak 09-27-2008 07:36 PM

86 chevy truck, c10 to be exact. its got a 2.73 gr now. with a 700r4 trans.

Q-4000 09-27-2008 10:09 PM

I think it has a 8.5" 10 bolt in it all you need is a simple gear swap and limited slip diff to throw in to it!

here are the parts you need!

http://www.drivetrain.com/gm8.5.html

prostreet6t9 09-28-2008 12:24 AM

Just dont get the auburn gear posi, get the eaton ! 19557-1


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