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Thread: rear end

  1. 03-11-2010, 07:23 AM #1
    Archaelas
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    rear end

    So, I have a question.

    On my T/A I've got 3.43 gears with a locking diff. A guy wants to trade me that for his 3.73 gear/ eaton posi rear end. Should I do it? The 3.73's have 50k miles on them and mine may be the originals, which puts them at 150k miles.
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  2. 03-11-2010, 08:01 AM #2
    Knight
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    You a4 or m6? Plus, is it a straight up trade for yours + cash for his? If it's a straight trade, why is he looking to do it? Not saying it's a bad deal, but I'm always cautious when it comes to deals with used parts. If you're an a4, many are of the opinion that 3.73s are the perfect gear. If you're a m6, many like to go with 4.10s.
    It's not how fast you can go. It's how fast you can get there.

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  3. 03-11-2010, 08:02 AM #3
    Baluchitherium
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    It has a big wing!

    I guess I would be wondering about the condition of the rear he is trading you...obviously.

    If you know the guy and/or you can drive the car the rear is coming out of to see and hear that there aren't any probs then sure,go for it...

    Also keep in mind that you will have to have a tune or re-program to correct your speedo...

    I have always heard that 3.73s (stock 2.73s or optional 3.23s) are good for A4s and 4.10s are a good choice for our M6 (stock 3.42s) cars...

    Good luck on your choice...
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  4. 03-11-2010, 08:04 AM #4
    Baluchitherium
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    It has a big wing!

    Quote Originally Posted by Knight View Post
    You a4 or m6? Plus, is it a straight up trade for yours + cash for his? If it's a straight trade, why is he looking to do it? Not saying it's a bad deal, but I'm always cautious when it comes to deals with used parts. If you're an a4, many are of the opinion that 3.73s are the perfect gear. If you're a m6, many like to go with 4.10s.
    Damn you beat me to it!! LOL!

    Thats the second time today that happens...maybe I need a computer mod or two...
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  5. 03-11-2010, 08:07 AM #5
    Knight
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    It's cool, lol. At least you're of the same opinion I don't have to spaz on you!
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  6. 03-11-2010, 08:45 AM #6
    ls1camino
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    Swap gears, keep the locker
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  7. 03-11-2010, 09:38 AM #7
    Archaelas
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    I know the guy. And he works at GMMG (which is a mile from my house, I'm so lucky). He wants the locking diff, in order to get it, he's willing to trade the gears out as well as the posi. It would be a straight up trade, no cash involved and the tune would be included. All the work would be done @ GMMG and the gears/posi he wants to trade came out of a car @ GMMG. Don't know if that helps.

    Oh yeah, and I'm M6.

    ---Edit

    So I guess my question is really, is it worth trading the locking diff for the 3.73 gears with an eaton posi thrown in.
    Last edited by Archaelas; 03-11-2010 at 09:41 AM.
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  8. 03-12-2010, 06:28 AM #8
    Archaelas
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    Anyone else?

    The 3.73's have about 20k miles on them if that helps.
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