Big block/3 on the tree?

Craig, I've often wondered that myself. Case and point, I have a dedicated (three speed only pattern) big block bellhousing. Casting number says it's a C body bellhousing. Stop and think about that one. A big luxury C body with a three speed. Was it column shift? Was it floor shift? Probably column shift, but unique and cool either way, so yeah, there were big block and three speed combo vehicles......and I KNOW there were trucks, because I had a friend in Byron who had a 68 D100 383, 3 on the tree and it was original. So build it! lol Look forward to seein you and pop some this season!
The A745 “heavy duty” 3-speed came out in ‘61 and was offered in at least the ‘62-‘64 C-bodies with a floor shifter. That is probably what you have. It has weak synchros pins that are easily bent during hard shifts and that’s why they had the T-85J in the Max Wedge. A one year only MoPar T-10 was offered in 1963 before the A833 came out in ‘64. T85Ds were optional behind B block Dodges and Plymouths in ‘60 and ‘61.