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Rebuild it or replace it?

This is a discussion on Rebuild it or replace it? within the Drivetrain forums, part of the LSx Technical Help Section category; Welp, my rear has been going for a while now. It's gotten to the point where I can't hear my ...

  1. #1
    Local Idiot Selah's Avatar
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    Rebuild it or replace it?

    Welp, my rear has been going for a while now. It's gotten to the point where I can't hear my exhaust over the whine. Needless to say, it's really annoying.


    I wanted to replace it with a 12-bolt, but the funds are really readily available, as my transmission needs rebuilt as well.


    So here's the choice rebuild the rear and the transmission. How much would just a rebuild run?

    Or get the Moser and hope the transmission holds up. Opinons?

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    Member silverz28camaro's Avatar
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    sebring silver
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    get the 12 bolt with 4.10 if manual and 3.73 if auto . Then take it real easy on the car til you can get the tranny fixed, and if you do have the auto get a 3000 stall with the tranny built and your 12 bolt axle will hold up fine

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    I would get the trans you want and let the 10 bolt go for now. Those things are cheap to get fixed. A lot cheaper than fixing a tranny if you get a new rear end

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    Senior Member Zboner's Avatar
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    i dont understand how they go bad this fast? do you have any mods done to the car?

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    Local Idiot Selah's Avatar
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    Quote Originally Posted by psychoticLS1 View Post
    I would get the trans you want and let the 10 bolt go for now. Those things are cheap to get fixed. A lot cheaper than fixing a tranny if you get a new rear end

    Well i can afford to rebuild both the transmission and the rearend, i just can't afford to replace the rear end with a Moser AND rebuild the tranny.



    Quote Originally Posted by Zboner View Post
    i dont understand how they go bad this fast? do you have any mods done to the car?

    I dunno why they are breaking so fast, the car only has 24k on it, and I only have a lid and catback. I suppose I do know why the tranny needs rebuilt, that's my fault. I FUBARed it trying to power shift 3-4. I didn't miss, but it got jammed into 4th really bad. I had to pull over and man handle it out of gear. Bent the 4th fork and screwed the 3rd and 4th syncro, so it needs rebuilt.

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    Senior Member Zboner's Avatar
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    dudem i got all the mods in my Sig and 92k on the stock rearend, and not one single problem from it yet, and i do track the car sometimes.
    95 WS6, 6 speed, FULL suspension, 9" spool, Vortech S/C HARD TOP!!!!!!!!!!!!!!

    99 Z28/SS Vert Triple Black, H/C

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    Local Idiot Selah's Avatar
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    Quote Originally Posted by Zboner View Post
    dudem i got all the mods in my Sig and 92k on the stock rearend, and not one single problem from it yet, and i do track the car sometimes.

    Yes well, you? You suck.

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    Senior Member Zboner's Avatar
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    Quote Originally Posted by Selah View Post
    Yes well, you? You suck.

    haha sorry man, i guess its just cant take the thrashing from the 6 speed

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    Local Idiot Selah's Avatar
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    6 spds are more likely to break rears as i hear, it's the instant shock of power instead of TC slipage. Ah well, pay to play. Now i just need to talk the wife into paying for both repairs...hmmmm

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    Senior Member Zboner's Avatar
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    haha, then everyone wins in that situation if the wife pays

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    Member jmhvenom's Avatar
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    boner im guessing you have an a4, our rears definately hold up much longer... mine crapped out this weekend, but that a different story.

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    Senior Member Zboner's Avatar
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    yup a4 man

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    fix the tranny and put a set of gears in the 10 bolt

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    Senior Member INMY01TA's Avatar
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    If the rear ain't broke dont fix it.

  15. #15
    Local Idiot Selah's Avatar
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    Well the rear is broke. So i will fix it. :-)


    I think I'll just rebuild both and get a 12 bolt down the road when i go H/C. Thanks for the imput guys

  16. #16
    Senior Member INMY01TA's Avatar
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    I had 4:10's in my 10 bolt and they howled extremely loud. I was nervous about it like yourself and got a Strange 12 bolt w/4:11's, Eaton, 33 spline axels, the works. I sold my 10 bolt to a guy in my club with a six speed cammed SS. He made about 40 passes on that rear before he bought a nine inch and that 10 bolt never broke. My 12 bolt now howles almost as loud as the 10 bolt did after some 1.7 sixty foots. Rebuild the rear if you want but your wasting your money. Do the trans and save for another rear.

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