Thanks for the link. good to know. As far as what it's going in... I have a 65 dodge short bed 2wd. like i said, something different. If the 6bt and the 5. 9 truck engine are an easy interchange, I could put the 6bt in my 94 4x4 and put the 5. 9 in the shortbox. It seems like the 5. 9 is better...