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rearend gears and converters

This is a discussion on rearend gears and converters within the Automatic Transmission forums, part of the Drivetrain category; i have a 98 camaro no engine mods i do have off road y-pipe and program, my question is i ...

  1. #1
    Junior Member
    Join Date
    Jan 2010

    1998 camaro

    rearend gears and converters

    i have a 98 camaro no engine mods i do have off road y-pipe and program, my question is i want to change the gears and converter,i have 323 ratio and want maybe a 410 is that to low with stock cam would 373 be better and what size converter be the best for my car? where would i find the best converter? thanks for your help

  2. #2
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Mansfield, PA

    Black & Blue
    '02 WS.6 / '07 Suburban

    It's pretty much settled that if you plan on street driving 3.73's are the way to go with an A4. This being said, I have 3.73's in my car and it is not terrible on the highway. I would consider 3.90's, not sure about 4.10's as that may be a little much.

  3. #3
    Moderator Cutlass's Avatar
    Join Date
    Apr 2008
    Madison, WI

    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    The standard answer is 3.73 gears with an automatic as Jeff said. And a 3400 to 3600rpm stall converter. Recommended brands: Yank, Circle D

  4. #4
    Join Date
    Feb 2007

    '00 Firebird WS6 T/A

    i have an edge 3000 stall and stock 3.23 gears and it rips. try the verter first and see how ya like it, the gears were just a waste of money on my old car - no 1/4 improvement at all. it just felt faster lol.

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