65 gear change 4.11 to 3.70 - NCRS Discussion Boards

65 gear change 4.11 to 3.70

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  • William V.
    Expired
    • December 1, 1988
    • 399

    65 gear change 4.11 to 3.70

    I want to change gears on a 1965 rear from 1:4.11 to 1:3.70. However, If my memory is correct, the two ratios use different ring gear carrier housings so the change would require a ring gear housing change. Is my memory correct? If so is there an after market gear that I could substitute that would fit without changing the housing?
  • William C.
    NCRS Past President
    • May 31, 1975
    • 6037

    #2
    Re: 65 gear change 4.11 to 3.70

    Your memoery is correct. Aftermarket gears are available to use 4 series gears on a 3-series carrier, but I do not believe they are available in the other direction
    Bill Clupper #618

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