I have a 66 that’s had a 200 straight 6 and a c4. I am swapping out the engine for a ‘79 302. Will the original transmission work with that? What else will I need besides bell housing and torque converter? Would it be cheaper to swap the transmission for something like an AOD or T5?

I have a '66 Mustang coupe with a 1973 302 Bronco engine in it. I've removed the 3 speed that came with it and am putting a t5 it. I have everything put together but when I go to slide the transmission in, the tranny is getting caught up on something I cannot see. I've had problems with the...