And Nascar's answer was, "Just because it doesn't say you can't, doesn't mean you "CAN"! I had the privledge of working with Dave Marcus, when he was doing R&D for DEI, in the days prior to restrictor plates, I was the "outsource" machine shop, for things they didn't want seen around the Carolina area, and you would not believe the things they came up with, to "aid" how an engine breathes! That was quite an experience, and interesting, as well as well funded. Bob