318 - 360 are small blocks, 400 & up are big. Everything is different(bell housing , eng stands, brackets and the like).
You'll need to find a donor truck for parts and finding a 4x4 with a big block and a standard will be tough.
John P.
You'll need to find a donor truck for parts and finding a 4x4 with a big block and a standard will be tough.
John P.