07-04-2025, 12:29 PM

oldman66gto oldman66gto is offline

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Join Date: May 2025

Location: St. Augustine Fl

Posts: 71

Muncie M-20

I am looking at replacing the Muncie M-20 4 speed in my '66 GTO with a Tremec 5 spd. !

Transmission has been rebuilt by previous owner, with over $550 in new parts/rebuild kit, and it shifts smooth as silk. Less than 3,000 miles since rebuild.

Transmission will be complete with shifter and linkage. #3885010 (66-67) Date code (P7D057-April '67)

What is it worth for resale? I see prices from $1,800-$3,000 ?

Won't be available until changeover has been completed.

Thanks,
Allan

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