i have long been intrigued by the "Oddball" ohv conversion of flathead V8's. I have been pondering the Dixon F-head design as a "mental exercise" to design a conversion that would look like a piece made just post war. somwhere between a Smith Jiggler and a dixon (how many different versions were there of these, I've seen no less than three totally different designs) questions i had were mainly to do with flow. The dixon F-head that was built on a 37 block that has been posted up with a dyno sheet put out 148 hp with merc spec B&S. The article didn't mention what was done if anything to help intake flow. with an F-head exhaust I could basically make the exhaust flow as much as needed, but that won't do any good if I didn't match it to the intake flow. Without the exhaust port in the way what would be the max flow for an intake port?? bigger valve, porting, head shape, piston shape, etc.?? so, what would a "modern" take on an F-head conversion for a flathead look like?? I've posted three pics with this thread to get the juices going, one is a smith jiggler, the other three are Dixon heads. two different valve in head conversions (one using a stock intake bolted to an intake built for the dixon heads, the other using external twin external intakes (WAY cool IMO)) the third is the F-head that was run on the dyno.