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  • Free Posi?

    Hey guys, I'm not sure if I posted about this before but somebody on www.f-bodyhideout.com said that he was going to weld his...(axles? gears?) together to have a posi rear end. I was going to buy an LS1 rear end but if I can do this for free I want to. Can anyone explain to me how this works? Or if it is a good idea?

    Thanks
    Rob
    \"I\'m going to torment you beyond the end of time, and hit you with a steamroller!\"

  • #2
    NO!!!! im not even sure how it would successfully be accomplished, but assuming it can, it would be a horrible idea. you want each wheel to be able to turn independantly or you could get yourself into some major trouble on the road.
    \'01 Mineral Grey SVT Cobra<br />-former F-body owner

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    • #3
      Do you know of anywhere I could get a posi rear? and/or how much it would be?
      \"I\'m going to torment you beyond the end of time, and hit you with a steamroller!\"

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      • #4
        it does work to some degree. it will make the rear into a spool, not a posi.
        a posi/limited slip works by allowing teh tires on teh two sides to turn at a little bit different rate when cornering, but has enough hold force internally to push with both wheels in a straight line.
        welding the spider gears on an open diff will permanently lock teh two sides together. that means that when you go around a corner teh inside and outside tires are both rolling at the same rate, even though they are covering different distances. this is hella bad for street driving. it puts a ton of strain on teh axles and will wear your tires quickly. also, turning in wet conditions becomes mroe hazardous.
        jsut buy a posi, they are only $100 from SLP and you don't have to risk a bunch of other parts.

        later
        tim
        NJ SPEEDER<br />1976 Camaro LT<br />Crate 350, TH350, 3.90 posi<br />New Jersey F-Body Owners Association<br /><a href=\"http://www.NJFBOA.org\" target=\"_blank\">www.NJFBOA.org</a>

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        • #5
          I'm not quite sure what to look for, I found this

          http://www.slponline.com/view_produc...TNUMBER=64501T

          Can anyone get me link to what I need if I didn't find the right one?

          Thanks in advance!
          rob
          \"I\'m going to torment you beyond the end of time, and hit you with a steamroller!\"

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          • #6
            You need the differential, gears, and the install kit
            2000 Firebird. Whisper Lid, True duals, TSP mail order tune, Built Tranny , TCI 2800 stall verter, B&M tranny cooler, Eaton LSD, 3.42 gears. Current best ET. 15.232 89.09 MPH 2.175 60ft on stock 3.42\'s and open diff.<a href=\"http://www.geocities.c

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            • #7
              Rob,

              You should already have lsd, since you have a y87 car. You can double check the RPO codes on the door for G80 I think.
              Keith - 99 'maro - White M5 - bumpstick and boltons - 13.65 @ 101 N/A
              "I ain't too big to listen to the rumors, I'm just too @#$% big to pay attention to them" - Dr. Dre
              http://seppo.hopto.org/

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              • #8
                Thats what I was about to say...if you have Y87 then you already have the LSD and dont need to buy it.
                Save yourself the 100 bucks my man.
                Shawn<br />2002 Silver W68 Firebird

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                • #9
                  Ahhhhh ok. I'll check that when I get home. Thanks guys
                  \"I\'m going to torment you beyond the end of time, and hit you with a steamroller!\"

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