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Rear

This is a discussion on Rear within the Drivetrain forums, part of the LSx Technical Help Section category; Im going to be ordering a new rear within the next few months so I have a few questions. - ...

  1. #1
    Senior Member cpop98ws6's Avatar
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    Rear

    Im going to be ordering a new rear within the next few months so I have a few questions.

    - Moser 9in or Strange 12 bolt? They are the two i have it narrowed down to. I just can't seem to make my mind up on which one to get. Does anyone have any pros and cons on the two rears?

    - Any of you guys with A4s runing 4.11 gears? If so, how is the car on the highway? Are you happy with those gears or not? I am an A4 with mods in sig. I only put around 1500 - 2000 miles on my car a year and its mostly all around town, it sees the drag strip once or twice a month in the spring, summer and fall.

    - What differentials are you guys using? Whats the best and whats the worst?

    Any info would be great and much appreciated. I have done alot of research online on these and i figured i would ask you guys since some of you have first hand experience.

    Thanks
    Chris
    Callies 383, Trick Flow 225, Rapid Motorsports Dominatior 2 X cam, ls6 ported oil pump,42lb injectors, FAST 92/92 , ASP underdrive pully, eletric water pump, Pacesetter LT's, Pacesetter ORY, Magnaflow catback, e-cutout, Yank SS 3600, Performabuilt stage 2 4l60e, Strange S60 ,4.10s, Detroit Truetrac, (UMI) - Adj. LCA, Adj. tunnel mount torque arm, Adj. panhard bar, Drag bar, subframe conectors, shock tower brace. 465rwhp-438rwtq 11.09@119.90.

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    Blown, Stroked, & Sprayed

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    Most will tell you Moser for an M6 and strange for a A4.
    I went with a Moser because I wanted the wavetrac. And the ability to change out the center section.
    I run 3.70, not too bad on the freeway. 4.11 might be low on a daily driver, but probably ok for you.
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    Senior Member cpop98ws6's Avatar
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    If i do go Moser it will definitely have the wavetrac. I do like the idea of being able to change out the center section too.

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    Member derekbuckner1's Avatar
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    Subscribed because I'm in the same situation. I'm getting a 9" but not sure on the diff. Leaning towards a locker but very interested in what people have to say about the topic.

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    None Shall Pass Knight's Avatar
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    I run the Moser 9". Just installed it this year. Has the Detroit Tru-Trac with 4.11s. I'm happy with it.
    It's not how fast you can go. It's how fast you can get there.

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    Senior Member cpop98ws6's Avatar
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    Knight, are you a m6 or a4?

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    None Shall Pass Knight's Avatar
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    I'm a m6. I would think the 4.10s would be a bit steep with an a4, but I could be wrong.

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    Senior Member cpop98ws6's Avatar
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    I went for a ride in Jeff's car when we were at beaver springs and that really changed my mind about getting 3.73s. Don't get me wrong the car definitly pulls hard but I think I will be happier with the 4.11. Even Jeff said if he were to do it again he would go with a 4.11.

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    Blown, Stroked, & Sprayed

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    Quote Originally Posted by cpop98ws6:2708123
    I went for a ride in Jeff's car when we were at beaver springs and that really changed my mind about getting 3.73s. Don't get me wrong the car definitly pulls hard but I think I will be happier with the 4.11. Even Jeff said if he were to do it again he would go with a 4.11.
    You do have a converter?

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    Senior Member cpop98ws6's Avatar
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    Yes, yank as 3600

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    Quote Originally Posted by Knight View Post
    I run the Moser 9". Just installed it this year. Has the Detroit Tru-Trac with 4.11s. I'm happy with it.
    This is the same rear set-up I have. Also very happy. I'm a M6 as well.
    It's on jackstands.

  12. #12
    Senior Member cpop98ws6's Avatar
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    Well i ordered a Strange S60 with Strange S-Trac clutchless differential, and 4.10s. I could not beat the deal i got. It ships from Strange December 2nd, can't wait to get it in the car.
    Last edited by cpop98ws6; 11-21-2011 at 05:22 AM.

  13. #13
    None Shall Pass Knight's Avatar
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    Nice!

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    Senior Member cpop98ws6's Avatar
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    UPS freight delivered the S60 today, man is this thing a beast! Im gonna paint it tomorrow night.






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    None Shall Pass Knight's Avatar
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    Badass, Chris! I saw you went with the 4.10s. I'm interested to see how you like them.
    Last edited by Knight; 12-07-2011 at 04:46 PM.

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    Senior Member cpop98ws6's Avatar
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    Thanks Walt, yea I went with 4.10s and the truetrac.

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    Really looking forward to lining our cars up again next year at the tree. Good thing your car looks great from the back as that is what I will be seeing once the light goes green!

  18. #18
    Senior Member cpop98ws6's Avatar
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    I think I will like the 4.10, I'm not really concerned about the gas mileage since the car is mostly driven around town.

    Jeff, I can't wait to feel the car off the line with the new rear. Going to be a big difference going from 3.23 to 4.10. Maybe i can get the wheels off the ground!

  19. #19
    Former Mopar Man 2002ssslp's Avatar
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    9" is the popular choice but that S60 is indestructable. All three are pricy but unless you are going to race your car with slicks the 9" would be the way to go because you can change the center section anytime you want in less then an hour with hand tools and jack stands. The 12" is ok but if you are going that route you may as well go with the S60 and know that you will never, ever blow your rear.

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    Quote Originally Posted by cpop98ws6 View Post
    I think I will like the 4.10, I'm not really concerned about the gas mileage since the car is mostly driven around town.

    Jeff, I can't wait to feel the car off the line with the new rear. Going to be a big difference going from 3.23 to 4.10. Maybe i can get the wheels off the ground!

    That would make for a great pic. I need to work on my brakes so I can wind it up just a bit more at the line. Something just doesn't feel right and I am pretty sure the prior owner put some cheapo pads on it.

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