Hi - I'm a new owner of a '51 GMC 1/2 ton that no longer has it's original 216.

I've been guided to add a '55 or later 235 engine, trans, and rear end.

Is this pretty much a bolt in procedure? If not, what tasks or modifications do I need to know about? Thanks - Dickson

1950 Chevy 3100 short bed
1951 GMC 3/4 ton long bed