*) Verify that the VIN tag on the body and the title agree. There is no logic in spending money on this project if you cannot get a valid state title and registration. *) If the engine, transmission, front suspension and rear axle came from the same car then it would make things a lot easier. Research the serial numbers, casting numbers and stamped numbers to identify what you have. *) You should test the condition of the donor engine and transmission before you install the front end body parts. It is labor intensive to remove and reinstall the front end.
I attached a few pictures of how a clip was performed on a 1950 1/2 ton. It's not my truck but I did get to do a test drive.
"Adding CFM to a truck will only help at engine speeds you don't want to use." "I found there was nothing to gain beyond 400 CFM."