I know one of you guys can handle this; I would like to swap the 350 Chev engine in my '76 Chev 3/4 ton pickup.

The truck currently has the TH350 trans, which has been rebuilt, and I would like to keep, if possible.

The engines I can get locally, and inexpensively, are the 500" and 472" Cadillac, and the 455" and 425"Olds, about any year I need.

What kind of problems am I likely to run into here?

Will any of these engines bolt up to my existing trans without an adaptor?

Appreciate your help, folks...

Have a fine evening!

Alexi