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  1. #1

    Default 1987 c10 positive?

    im doing this for a cousin..he has had the truck for well over 10 years now it has been parked for over a year in a body shopwe recently got it and doing a tune up with alot of goodies for the motor.. the question is he wants to make it positive or posi trac i dont know what is called what are the parts that he needs ...im a more of a import guy..any help would be apreciated. thanks

  2. #2
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    Posi trac is a limited slip for the rear end. There are different kinds, but most consist of clutches to link both axels together so they both drive at the same time, rather than haveing one axel drive while the other one slips. Randys Ring & Pinion is a well respected outlet for these parts you need & is also one of the best priced..
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


  3. #3

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    do they have a website.. i dont worry about this stuff to much on my car i have a welded differential on my 92 nissan 240sx..lol..

  4. #4
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    This is what I found as well as about a zillion other places where you can order what you need.
    Randy's Ring & Pinion. The Differential Experts. Auto Parts ... Provides gear sets, axles, lockers and complete bearing installation kits for OE replacement, performance and heavy duty differentials.
    www.randysring&pinion.com/
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


  5. #5

    Default

    detroit lockers are also a good way to go if you don't want clutches like posi. they lock up under load.

    http://www.eaton.com/EatonCom/Produc...cker/index.htm

    I'd bet Randy's posted above would carry them or something similar
    1986 Chevy G20 Tow Rig - 5.7 TBI conversion
    1978 Mustang II King Cobra Road Racer - Holley 650, MSD 6AL, 5 speed, 10 point Roll Cage, 9" posi, fuel cell, custom interior.

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