None this answer my questions. Its going off in a totally different direction. My 383 is all ready, that's the block I'm building. I'm either going to put it back stock stroke or 440 stroke. Who out there has a 431-438?
1967 Plymouth Belvedere II 383 1968 Plymouth Barracuda 383 2005 Ram 3500 5.9Diesel 1979 Dodge Power Wagon 360