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3.73 gear question

This is a discussion on 3.73 gear question within the Firebird / WS6 forums, part of the Vehicle Specific category; i have a 2000 a4 trans am im upgrading to 3.73's there on the way now. my question is what ...

  1. #1
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    3.73 gear question

    i have a 2000 a4 trans am im upgrading to 3.73's there on the way now. my question is what rpm will i be at 60 mph like crusin on the high way. with the stock gears its at like 1800rpm at 60 what would i be lookin at with the 3.73's. i already have a 3200 stall which kills my gas but i dont care im addicted to speed.
    thanks

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    Go to www.f-body.org/gears/ I posted in the other thread, change the 3.23 to 3.73, then hit calculate. Stall won't hurt you on highway mileage since at speed it's locked.

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    hey thanks i did the calulations and it said with 3.73's it was at like 2100 rpms instead of 1700 rpms with stock to me that dosent seem like a big diffrence. will it make that big of diffrence in proformance?

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    Black
    99' WS6 Trans-Am

    Only thing u will see a difference is,how faster your car will move and your gas goes down

  5. #5
    car enthusiast djvaly's Avatar
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    shave off probably .3 at 1/4 mi I believe. getting my swap done on the 30th... the mecahnic said a few cars length gain on 1/4mi... is that about right gang?

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