yes. i forgot about the ducati valves...the dual cam valve system is called desdemonic i believe and it was first used to my knowledge by mercedes in their incredible grand prix engines in the thirties. they also were used in the awesome 300slr race sports car that moss won the mille miglia in 1955 with.

__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.