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  1. #1

    Default Limited slip or?

    I have been driving my truck for a couple of months. I knew early that it was not an open differential, so i presumed it to be limited slip. But recently I have noticed it does not act as I expect LSD's as it seems to grab all at once, almost like a locker. if one wheel is on very good ground and one is on very slippery, the one wheel will spin and then the other will grab, almost violently depending on the situation. Did these have some variety of locker in them or something else? Thanks

    Matt

    1999 K2500 Suburban, 7.4, 155K
    1999 K2500 Suburban 7.4L - 151k

  2. #2

    Default

    Yes. Check your RPO code list for G80, then search this forum/the internet for "Eaton Gov-lock" or "G80".
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  3. #3

    Default

    Don't mean to sound too newbieish, but what's an RPO?

    Thanks

    Matt
    1999 K2500 Suburban 7.4L - 151k

  4. #4

    Default

    U sir have a gov lok a true piece of trash its not your fault. I to used to have three of them not all at once though oh no one after the other would explode on me during the mildest wheeling.One even grenaded in my front yard. NO joke so do yourself a favor and throw that thing out while its still in one piece not 40 miles out where it eats the ring and pinion as a snack on the ride home

  5. #5

    Default

    yeah it technically is a limited slip, but not one with clutches that tend to let the one tire spin for longer before engaging the other one. Some other other companies use Limited Slips are like that, I know ford does. The G80 engages a little harder and you get both tires spinning quicker. That being said, they are known to explode lol.
    Dan
    1999 GMC Sierra 2500 350 vortec
    1967 Jeep M725 ambulance 230 tornado
    1990 Cherokee Limited- 3 inch lift on 33's
    ...and every one of em has issues

    If you have any questions or problems don't hesitate to send me or any other GMTC moderators a PM

  6. #6

    Default

    Quote Originally Posted by muuarren View Post
    Don't mean to sound too newbieish, but what's an RPO?
    RPO=Regular Production Option code. These are 3 digit codes that GM uses to identify build options during production.
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  7. #7

    Default

    Quote Originally Posted by azdrtdog View Post
    U sir have a gov lok a true piece of trash its not your fault. I to used to have three of them not all at once though oh no one after the other would explode on me during the mildest wheeling.One even grenaded in my front yard. NO joke so do yourself a favor and throw that thing out while its still in one piece not 40 miles out where it eats the ring and pinion as a snack on the ride home
    So do i simply remove it, or should/must I replace it with something else. I like the limited slip deal, but would like to avoid the apparently inevitable grenadeing. Recommendations? Thanks to everyone for your help.

    Matt
    1999 K2500 Suburban 7.4L - 151k

  8. #8

    Default

    PRETTY sure somethings gotta go back in theresorry had to do it
    you think youll be happy with the one wheel peel???

  9. #9

    Default

    if its not broken dont fix it, I have the G80 in my old truck with 250,000 miles on it original and it still works.
    but if you want to spend some cash you can put in a after market LSD or a Locker

    2003 Z71 Silverado LS
    Access roll up cover
    Bed Rails
    Billet Grill insert
    Bed Rug
    CB with PA system
    Waiting to be installed
    Two 8in RF HX2 punch( would have 12s but they got stolen)

  10. #10

    Default

    i think alot of g80 explosions are drivercaused....its not made to spin the tires...youre asking for trouble...its made to increase the traction...not be locked up at 3500 rpms

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