Yblock C4 transmission conversion

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  • December 17, 2025 at 5:54 pm #7499

    Virgil & Sue Klein
    Keymaster

    Has anyone in the club done a Merc-O-Matic to C4 transmission swap? I see there are adapter kits out there to do this but wonder how difficult the process is. I have a ’55 Montclair with the stock 292 and the Merc-O-Matic. The transmission has developed a leak in the front seal because of an out of balance torque converter and I am searching to replace it with a later model trans.

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