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Thread: 57 trans ratio

  1. #1
    Registered Member
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    57 trans ratio

    Is there any difference in the ratio of 57 manual trans or are they all the same?

  2. #2
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    They all had a 2.94 first gear ratio, regardless of engine.

  3. #3
    Registered Member chevynut's Avatar
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    Quote Originally Posted by Rick_L View Post
    They all had a 2.94 first gear ratio, regardless of engine.
    Not true, there was a "close ratio" option with a 2.2:1 first gear in 56 and 57.

    http://chevy.oldcarmanualproject.com...esto/57060.htm
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
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    1962 327/340HP Corvette
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    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

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