1980-97 Trucks 4.9L, 5.0L, 5.8L w/ AT
1980-97 Trucks 4.9L, 5.0L, 5.8L w/ MT
Big Block Ford w/ C6 or E4OD trans
Big Block Ford w/ 180 tooth flywheel MT
So only difference would be the transmission for a small block. Then you have a big block M/t & a big block auto.
http://rjminjectiontech.com/?p=28