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Did you notice a difference?

This is a discussion on Did you notice a difference? within the Firebird / WS6 forums, part of the Vehicle Specific category; Did you notice a difference going from 3.23 to 3.73 gears in an auto? Anyone that has done it please ...

  1. #1
    Senior Member clg82's Avatar
    Join Date
    Feb 2007
    2000 Trans Am

    Did you notice a difference?

    Did you notice a difference going from 3.23 to 3.73 gears in an auto? Anyone that has done it please let me know what kind of gains or affects you felt. Can't decide wether to go with 3.73 or 3.90!! Any suggestions would help!
    2000 Arctic White trans am, ws6 hood, ws6 air box, slp lid, slp smooth bellows, slp loudmouth exhaust,shift kit, rebuilt trans, LS6 intake, 3.73 gears, Shaner S3 p/p throttle body, and a tune . SFC. C6 ZO6 rims 18" in back 17" in front. Drilled and slotted rotors.

  2. #2
    Senior Member Redphoenix1998's Avatar
    Join Date
    Apr 2002

    1998 Pontiac Trans AM

    Yes I have noticed a difference. Before I used to be able to drop into 2nd at about 75 mph but now It's about 60. Safely. Acceleration was definately up and didn't notice much of a change in gas mileage

  3. #3
    Senior Member bills98ta's Avatar
    Join Date
    Feb 2007
    St Thomas, PA

    1998 Trans Am

    Yes, nice difference ! 3.73's seem to be the street gear choice. I'm now running 4.10's and I think it's still pretty street freindly. ( A4 ) But, I mostly only run at the track any more with it.

  4. #4
    LS1 chosen son lemons12's Avatar
    Join Date
    Jul 2007

    TA-White, Camaro-Black
    Track-TA98A4 DD-98z28M6


    friend did the swap.... unless you have extra money i wouldnt do it... he said he didnt feel that much of swap... but thats what i was told from him... have heard 73s are the choice though got a guy that went from those to 410s and he switched back out to 73s... just a preference i guesS??

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