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1940 Pontiac tranny swap - manual for automatic help


40Poncho

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We have a 1940 Pontiac Silver Streak Deluxe Model 26 4 door touring sedan. The motor runs like new. I'm looking for info on which trans parts I would need to convert it to a modern 3 or 4 speed auto. Does anyone make an adapter plate? Has anyone here ever done it?

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  • 3 months later...
Guest Zig Zag Wanderer

you could try Bendsten's. they make any variety of cnc-machined transmission adapters for many different vintage engine to modern transmission combos, and i believe they do one-offs as well. just bring your checkbook

Transmission Adapters

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