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3.73 grear swap

This is a discussion on 3.73 grear swap within the Manual Transmission forums, part of the Drivetrain category; Hey guys, If I swap to 3.73 gear, would it be worth the money to swap the diff too? Also, ...

  1. #1
    Junior Member
    Join Date
    May 2006

    2001 Pontiac TA WS6

    3.73 grear swap

    Hey guys,
    If I swap to 3.73 gear, would it be worth the money to swap the diff too?

    Also, will lower gears gain more rwhp, or just better launch, and times?

    SLP Loud Moth, SLP air Box, K&N air filter

    335.6 RWHP
    351.6 RWTq

  2. #2
    Member lrader99's Avatar
    Join Date
    Nov 2005
    NW Georgia

    flat black
    i just recently went from a 3.42 to a 3.73...yea it helps....break the tires loose, now after its all said and done i woulda gone with a 4.10...i have way more gear left than i thought. i drive on the highway alot and i wanted to still be able to reep the benefits of 6th, so my goal was to be able to go 75mph and not be above 2000RPM...cause lets face it thats where we have the most fuel eco.i know its crazy to try and balance power and fuel eco but hey i did...make sure you get an edit for your PCM...the rear gears will mess up the speedo

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