The big truck engine has heavy duty parts. Probably forged crank & possibly forged pistons. The exhaust valves are usually sodium filled. I would put a mild cam & aluminum intake with Q-Jet carb. It is an easy swap like red says.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne Super In the Gallery Forum
