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4.10 or 4.56??

This is a discussion on 4.10 or 4.56?? within the Drivetrain forums, part of the LSx Technical Help Section category; I have not been able to find a post from a member with a simmilar set up. I have a ...

  1. #1
    Drag racing is a disease! RacerBob's Avatar
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    4.10 or 4.56??

    I have not been able to find a post from a member with a simmilar set up. I have a 2000 z28 with an a4. Other than a couple of free mods, it has a cat back system and a vortec supercharger (non-aftercooled). I will be running 26 in tires with a stall conv (prob 3400). This is not a daily driver. I will be driving it on the street, but very little and not much on the highway. I am concerned about what kind of rpms I will see at the big end (1/4 mile). I doubt that the trans will go into OD at wot.
    I hope someone out there has a simmilar combo.

  2. #2
    Nitrous Tuner LS2Tuner's Avatar
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    4.56 is too much gear with that baby short 26" tire. 4.10's will be fine for your stock cammed motor. If you had a solid roller and were buzzing the motor 7000+ than yeah the 4.56 would be great.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  3. #3
    Drag racing is a disease! RacerBob's Avatar
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    Thanks for the reply.

  4. #4
    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by RacerBob View Post
    Thanks for the reply.
    No problem thats why I'm here to help.

    Welcome and don't be scared to ask ?'s. Just do use a favor and do a couple different worded searches in the tool bar that way if someone has already asked you don't again.

  5. #5
    2 SS's are better than 1 Jays00ss's Avatar
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    NBM / Silver
    00 SS / 71 SS Elcamino

    4.30's are always an option.
    2000 SS Camaro Heads, Large cam, Fast 90, 9"w/430's and locker, yada yada yada... you get the picture

    1971 SS ElCamino 402 Big Block 550HP

    2006 Silverado 2500HD 496 cubic inches of pure muscle

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