I don't know about that. Look where GM stuck the 270 & 302 and our forerodders found them and scared the stuffin' out of a generation of V-guys. The shame is that many of us seem to be late picking up on the potential of the 4200s. I agree with Marc and wonder why we bury our heads in the casting sand of an out dated design. Tradition? Old Sc.......

"I wonder if God created man because he was disappointed in the monkey?" Mark Twain