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3.42 gear ratio

This is a discussion on 3.42 gear ratio within the Drivetrain forums, part of the LSx Technical Help Section category; Whats change could i expect from a v6 auto firebird (2002) if i changed the ratio to 3.42...

  1. #1
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    3.42 gear ratio

    Whats change could i expect from a v6 auto firebird (2002) if i changed the ratio to 3.42

  2. #2
    Senior Member MadSeason's Avatar
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    1994 POS

    worse gas mileage, shorter engine life due to more time spent in higher rpms, but quicker acceleration. you'll also need the computer tuned for the change.

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