I guess the 283 is the same block/configuration as a 350?

Any reccomendations for find motor mounts, bell-housings online? I'm not a very good junk-yard bandit.

Any advice on how to ID the transmission?


62 1/2 Ton Stepside, 3 on the tree and 235 I6
Grandpa gave it to me, it is straight and original with about 90K original miles..