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with rear end is best

This is a discussion on with rear end is best within the Drivetrain forums, part of the LSx Technical Help Section category; is the 12 bolt or the dana 60 a better rear end for me mine blew out a couple days ...

  1. #1
    Junior Member silver2002ws6's Avatar
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    silver
    2002 trans am

    with rear end is best

    is the 12 bolt or the dana 60 a better rear end for me mine blew out a couple days ago and im haveing to replace its on a 2002 ws6 so just let me know thanks

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    O U 8 1 2 Spaz's Avatar
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    1999 trans am

    Quote Originally Posted by silver2002ws6 View Post
    is the 12 bolt or the dana 60 a better rear end for me mine blew out a couple days ago and im haveing to replace its on a 2002 ws6 so just let me know thanks
    all depends on what setup you're running and future plans... the dana S-60 is a strong rear but with that you will need a shorter driveshaft... there are several different 12 bolts...

    really the best rear if you have the money is a 9"... the cool thing about them is you can get a center section for racing and another center section for daily driving....

  3. #3
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    SOM
    1998 T.A.

    IMO if you are an a4 car and never plan on a big power adder a 12 bolt is fine. What I like better about the 12 is it is lighter, has less parasitic loss and is physically smaller. I am lowered so I don't want a big pumpkin hanging under there. If you are m6 get a 9" or the D60.

    I have a friend who has been spraying a 12 bolt into the 9's for almost 3 years no probs....

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    Senior Member justinmc978's Avatar
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    sold: 1999 firebird
    1998 Trans Am

    Quote Originally Posted by silver2002ws6 View Post
    is the 12 bolt or the dana 60 a better rear end for me mine blew out a couple days ago and im haveing to replace its on a 2002 ws6 so just let me know thanks
    most go for the 12, btw is your car a special edition?

  5. #5
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Installing a 12 bolt now in our car -- deciding between the Dana and the 12 bolt is tough. I think the Dana runs about 20 lbs. heavier and is less efficient (as already stated), plus it seemed to be overkill for what I have planned for our car. Granted, it has not been driven yet, but I am quite happy with the 12 bolt so far.

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    Veteran Hi-Po's Avatar
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    Moser 9" is a good solid rear end at a decent price. 12 bolts are for sure a good rear end, but the torque arm location tends to lead to gear whine after some track pass's. I've had both, and my 9" definitely has less whine and it has seen a solid 55-60 passes down the 1/4 mile.
    Last edited by Hi-Po; 01-14-2010 at 08:47 PM. Reason: spelling
    370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator

    Build in progress...

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    Member joedude02's Avatar
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    i have a moser 12 bolt. no problems as of yet, but as stated above, it is very 'whiney'. maybe more due to the tunnel mount torque arm.

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    I've always been fuzzy on what causes "gear whine" -- is it the mesh, gear material, backlash, harmonics? Is there anything that can be done to lessen it, such as a different weight gear oil?

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    1999 Olds Alero

    Well there are many...

    To buy and install, i guess many dont know about the 9 bolt....

    true the 9 inch is better and there is the 12 bolt, but if you tight for cash the 9 bolt will hold up 600hp....

    IMO...

  10. #10
    Junior Member silver2002ws6's Avatar
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    silver
    2002 trans am

    well i looked in to the 12 bolt and after all said and done it was going to be like $2700 so i went and got a used rear end at the wrecking yard yesterday and put it in but the new rear end didnt have the abs senser can i just disable the abs? i dont need it

  11. #11
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    1998 T.A.

    I think you can pull the abs fuse and the light will go out. IIRC there is nothing else on that circuit...

  12. #12
    Junior Member silver2002ws6's Avatar
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    silver
    2002 trans am

    yea i tried to take the fuse out it didnt work but i took it back out and took it back and found one in odessa texas for only $350 with 40000 miles not bad and put it in and it works great so problem solved

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