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rearend

This is a discussion on rearend within the Drivetrain forums, part of the LSx Technical Help Section category; which rearend should i get? 12bolt or 9in? they are both about the same price...

  1. #1
    Member 35thz28camaro's Avatar
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    2002 z28 camaro

    rearend

    which rearend should i get? 12bolt or 9in? they are both about the same price

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    ArtistFormerlyKnownAsMac Silver Streak's Avatar
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    Autos usually should get a 12 bolt, and the m6s usually got the 9"
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    Slow'er'Ass Mr. Luos's Avatar
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    M6 or A4....I would go Moser 9" with whichever gears you choose.


    10 bolt < 12 bolt = D60 < 9" < M9


    The M9 unit is for a complete drag car. It is perfect for the car looking to run 7's or better...with ANY tranny.
    The Moser 9" is a perfect rearend for the VERY stout and lower powered street car. It can handle cars into the 8's and will act damn near like a stock car.
    The 12 bolt and D60 have a housing that attaches to the torque arm in a matter I don't care for. Donuts and hard launches would be a good way to 'tweak' either housing. The D60 is a solid rearend when it comes to internals though....even a touch stronger than the 9". I just don't like how it mounts to the torque arm...which is vital.

    The stock 10 bolt isn't junk. Just isn't worth putting any money into. It can handle A4's into the 11's and 10's. But I have also seen them blow up on a mostly stock car on the street with an M6.



    I convinced a friend of mine to run a 9" with his newly built 650'ish' RWHP A4 build.
    I have another friend that dropped a 9" into his 10 second A4 car.

    Up to you though.
    I run a Moser 9".
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  4. #4
    Member 35thz28camaro's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    M6 or A4....I would go Moser 9" with whichever gears you choose.


    10 bolt < 12 bolt = D60 < 9" < M9


    The M9 unit is for a complete drag car. It is perfect for the car looking to run 7's or better...with ANY tranny.
    The Moser 9" is a perfect rearend for the VERY stout and lower powered street car. It can handle cars into the 8's and will act damn near like a stock car.
    The 12 bolt and D60 have a housing that attaches to the torque arm in a matter I don't care for. Donuts and hard launches would be a good way to 'tweak' either housing. The D60 is a solid rearend when it comes to internals though....even a touch stronger than the 9". I just don't like how it mounts to the torque arm...which is vital.

    The stock 10 bolt isn't junk. Just isn't worth putting any money into. It can handle A4's into the 11's and 10's. But I have also seen them blow up on a mostly stock car on the street with an M6.



    I convinced a friend of mine to run a 9" with his newly built 650'ish' RWHP A4 build.
    I have another friend that dropped a 9" into his 10 second A4 car.

    Up to you though.
    I run a Moser 9".

    thanks. my 10bolt started making making noise so i rebuilt it putting new gears and bearings in it now it started making noise again, this is why i decided to go ahead and get a good rearend

  5. #5
    Member 35thz28camaro's Avatar
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    2002 z28 camaro

    will a moser 9in bolt in and work with my stock torque arm?

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    Quote Originally Posted by 35thz28camaro View Post
    will a moser 9in bolt in and work with my stock torque arm?
    Yes

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