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3.73 gears on a th350

This is a discussion on 3.73 gears on a th350 within the Drivetrain forums, part of the LSx Technical Help Section category; i have a parts 79 z28 equiped with a 3.73 posi rear end. im wanting to swap the rear ends ...

  1. #1
    Member fbod91's Avatar
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    3.73 gears on a th350

    i have a parts 79 z28 equiped with a 3.73 posi rear end. im wanting to swap the rear ends but im wondering if i will get much more power out of it. im not toooo concerned about gas milage, well kinda butm gas ilage sucks anyways

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    None Shall Pass Knight's Avatar
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    Power increase should be noticeable. Gas mileage wont hardly suffer at all, if at all. A good mod to do for better acceleration. The only thing that could effect power (on the high end)/gas mileage would be how the tranny is geared. May drop the top end speed down some - dunno how high you run it.
    It's not how fast you can go. It's how fast you can get there.

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