alrighty. thank you bill. so i can put any chevy motor. well that is good news. LOL. now i just have to choose after i find a good k20 to start with. :-) i am swapping axles out for an open knuckle set. so getting a newer transfer case probably wouldnt be a big deal. wish i had a k20 already so i could ask all my questions. so a bellhousing adapter for a newer tranny that is five or six speed. nice to know there is room enough in the truck for that. thanks again bill. made my day.
Jonathan