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What gears?

This is a discussion on What gears? within the Drivetrain forums, part of the LSx Technical Help Section category; i am looking at getting gears. but which kind are the best and for what purposes are each kind used ...

  1. #1
    Junior Member SLDWS6's Avatar
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    What gears?

    i am looking at getting gears. but which kind are the best and for what purposes are each kind used for?

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    Is it a manual or and automatic?

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    386HP 373TQ jwindbigler's Avatar
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    I put in 3.73's in mine. I have the 6-speed. Noticible takeoff difference. 4.10's I think are more for a drag strip use. 3.73's are a good happy medium. Either way, you will be happy. The shorter gears will obviously get you better gas mileage, but the taller ones will give you a better takeoff. It depends on what you are planning for this beast.

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    ls1devil lt1dragon's Avatar
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    I have AAM 3.73 Gears. AAM (american axle manufacturer) They are the ones who make the stock gears for GM. My gears don't whine or any thing very pleased plus you will get better gas mileage

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    386HP 373TQ jwindbigler's Avatar
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    Quote Originally Posted by lt1dragon View Post
    I have AAM 3.73 Gears. AAM (american axle manufacturer) They are the ones who make the stock gears for GM. My gears don't whine or any thing very pleased plus you will get better gas mileage
    And here I thought that my better gas mileage was due to my intake/exhaust setup

  6. #6
    ls1devil lt1dragon's Avatar
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    sorry, what kind of gas mileage do you get i usually get between 20-25 city and not driving it hard and the first trip i took i got 30 on the freeway.

  7. #7
    386HP 373TQ jwindbigler's Avatar
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    Well, I drive mine pretty hard so I got about 20. Now I think that its ducked down past that...around 15-20 due to the computer tune, my hard driving, and the new cam

  8. #8
    Junior Member SLDWS6's Avatar
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    yeah I have a 6 speed. It is kind of hard to say what kind of gas mileage I am getting cause my car only has 9000 miles on it so truthfully I don't think that the motor is fully broke in. I had some friends with 4.10's and they were pretty bad ass. And like I said I don't really do much high way driving.

  9. #9
    386HP 373TQ jwindbigler's Avatar
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    Oh, well then go with the 4.10's. That will help out with that pooch of a 6th gear that we have

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    Senior Member Hurley711's Avatar
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    414 RWHP 395 RWTQ
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    Watch that 10 bolt with those 4.10s

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    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    a4=3.73 M6=4.10

    just my .02$

  12. #12
    386HP 373TQ jwindbigler's Avatar
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    Quote Originally Posted by Wheeler99WS6 View Post
    a4=3.73 M6=4.10

    just my .02$
    I wish someone would have told me that. I put 3.73's in my M6

  13. #13
    Junior Member SLDWS6's Avatar
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    Well thanks alot guys. looks like i'll have to get some 4.10's. So does anyone know what these can do to a stock ws6?

  14. #14
    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    better acceleration over stock. like said before though gotta be careful with stock rear. You should be fine for now but once you start modding heavy you should look into get a 12 bolt rear end. I am talking when you are looking into getting your heads and cam type stuff or FI, NOS etc. You will be thrilled once those new 4.10s are broke in and you can really romp it. will feel alot stronger down low.
    1999 T/A WS6 Black -------SOLD
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    DOB manifold, m122 SC, 47lb injectors, gt500 TB, roush TVS CAI, Detroit rocker SC grind camshafts, Mac LTs, off road x, roush off road mufflers, roush short throw shifter, kenne bell BAP, Brenspeed 93 octane tune. 479rwhp 436ftlbs SAE.

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    Senior Member INMY01TA's Avatar
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    Get 4:10's. Your clutch will hold better with 4:10s also. Fwiw when I put them in my six speed my miles per gallon didn't even drop more than 1.

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