Re: 3 spd on the tree 72 k10
My 69 K20 had a 307 with the three on the tree from the factory with 4.56 gears. After fighting the tranny getting stuck when shifting occasionally I finally swapped it out for a 4 speed. Not sure if that was rare, but sure wasn't desirable for me at least.
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1970 Blazer with a 400 sbc and 4" lift
1980 Pontiac Trans Am, 455 Oldsmobile
2012 Kawasaki Concours 14
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