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Gears 3.73

This is a discussion on Gears 3.73 within the Drivetrain forums, part of the LSx Technical Help Section category; Originally Posted by 98maro What's the bolt on 3.42s rear end? 12 or wat is it sorry I dnt much ...

  1. #21
    Member importhater81's Avatar
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    Quote Originally Posted by 98maro View Post
    What's the bolt on 3.42s rear end?
    12 or wat is it
    sorry I dnt much bout it
    10 bolt

  2. #22
    Senior Member 98maro's Avatar
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    Black
    00 camaro ss M6 #6695

    thanks
    i recently got 3.73s on my car
    i dont like em at all take off slow
    down shift to go faster no response
    the engine does its work but the car jst dont move at all,
    the long way go fast but not how i want it
    i heard the 4.10s get fast take off
    down shift and you get response when you need it is that true?

  3. #23
    Member importhater81's Avatar
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    Quote Originally Posted by 98maro View Post
    thanks
    i recently got 3.73s on my car
    i dont like em at all take off slow
    down shift to go faster no response
    the engine does its work but the car jst dont move at all,
    the long way go fast but not how i want it
    i heard the 4.10s get fast take off
    down shift and you get response when you need it is that true?
    Sounds like something else is going on with your car. You say the engine doing it's work but the car's not moving? You should be able to spin your tires all the way through 2nd gear with 3.73's.Are you turning off the traction control before you take off?
    Last edited by importhater81; 06-20-2010 at 06:04 PM.

  4. #24
    Senior Member 98maro's Avatar
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    i think the same thing
    you can feel the motor but the car just dont move
    you hit the gas and the car barely moves
    tires dont spin at all
    its all stock on motor
    my last z28 i could do burnouts take the car sideways with stock rear end all it had free mods
    my ss is all stock with 3.73s and it just dont wanna run,
    gas pressure is fine
    new gas filter
    i dnt knw wats wrong with it

  5. #25
    Moderator Cutlass's Avatar
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    maybe the throttle body isn't opening all the way like the cable is misadjusted

  6. #26
    Member importhater81's Avatar
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    Quote Originally Posted by 98maro View Post
    i think the same thing
    you can feel the motor but the car just dont move
    you hit the gas and the car barely moves
    tires dont spin at all
    its all stock on motor
    my last z28 i could do burnouts take the car sideways with stock rear end all it had free mods
    my ss is all stock with 3.73s and it just dont wanna run,
    gas pressure is fine
    new gas filter
    i dnt knw wats wrong with it
    Does the motor bog or do the rpm's go up real high and the car doesn't go anywhere? If it is the ladder your clutch might be slipping.

  7. #27
    Senior Member 98maro's Avatar
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    im gonna check that and probably clean it up
    i already did the MAF
    when i hit the gas i can see the RPMs go up slow and lazy
    i dnt knw how to expain it lol
    and my z28 i got on my profile that damn car you spin the tires like crazy
    and RPMs go up quick

  8. #28
    Senior Member 98maro's Avatar
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    it goes almost redline and it barely moves
    the clutch feels kinda funny it shifts fine
    but feels weird
    on the z28 the clutch was messed up but it still pulls with balls

  9. #29
    Member importhater81's Avatar
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    Quote Originally Posted by 98maro View Post
    im gonna check that and probably clean it up
    i already did the MAF
    when i hit the gas i can see the RPMs go up slow and lazy
    i dnt knw how to expain it lol
    and my z28 i got on my profile that damn car you spin the tires like crazy
    and RPMs go up quick
    Are you sure you're disabling the ASR

  10. #30
    Senior Member 98maro's Avatar
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    the front abs sensors are messed up
    so it has
    break light on
    abs/inop light on
    and the ASR IS ON
    the switch on the dash board dnt show when its on i changed the switch n still the same

  11. #31
    Member importhater81's Avatar
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    This may or may not have anything to do with your car's issues,but you do know that you need to get the pcm tuned or reflashed after a gear swap in order for the pcm to shift correctly and the speedo to read right, don't you?

  12. #32
    Senior Member 98maro's Avatar
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    i had an idea that i had to do that
    but i thought the speedometer chage
    for example it shows that im on 65 miles an hour when im goin on 60 right?
    something like that
    or what other problems could happn with the 3,73s?
    but you think thats the problem?

  13. #33
    Member importhater81's Avatar
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    Quote Originally Posted by 98maro View Post
    i had an idea that i had to do that
    but i thought the speedometer chage
    for example it shows that im on 65 miles an hour when im goin on 60 right?
    something like that
    or what other problems could happn with the 3,73s?
    but you think thats the problem?
    I'd get the pcm scanned for codes,address them if there are any and then recalibrate the pcm for the correct gear ratio.

    If your abs light is on your abs and traction control functions will be disabled automatically.

    I doubt the speedo being off is the cause of your root problem,but like I said at least get the pcm scanned for codes.

  14. #34
    Senior Member 98maro's Avatar
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    i was told the front abs sensors are bad
    but im takin it to the shop and tell me wats wrong with it
    i
    is it expensive to get the pcm tunned?

  15. #35
    Member importhater81's Avatar
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    Quote Originally Posted by 98maro View Post
    i was told the front abs sensors are bad
    but im takin it to the shop and tell me wats wrong with it
    i
    is it expensive to get the pcm tunned?
    Check out the Tuned by Frost ad on this site.

    Mail order tune from him is $125 plus shipping.

  16. #36
    Senior Member 98maro's Avatar
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    once i knw wats wrong with the car im gonna send him pm
    to have an idea how much that cost
    for the free mods do i have to tune the pcm?

  17. #37
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    Quote Originally Posted by 98maro View Post
    once i knw wats wrong with the car im gonna send him pm
    to have an idea how much that cost
    for the free mods do i have to tune the pcm?
    Do your mods and e-mail him. He can answer your tuning questions better than me.

  18. #38
    Senior Member 98maro's Avatar
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    ok i will thank u i appreciate the help

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    Quote Originally Posted by importhater81 View Post
    A 3.90 is a great gear,but I'm almost positive nobody makes a 3.90 for a 7.5 10 bolt as I've only seen that gear offered in 12 bolts
    Pretty sure you are right. I also heard since the 3.90 is a special cut gear that it is a bit nosier than the others. I was considering the 3.90 when I got my Moser 9", but went with the 4.11 instead.

  20. #40
    Senior Member 98maro's Avatar
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    On my 3.73s I hear a noise when in on the highway. Only when i step on the gas
    with 4.10s or 4.11s
    it's faster at the take of
    but wat bout when u r on the highway?

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