At 01:49 PM 5/6/2013, you wrote: >For the 0-200 what IS the limiting factor for rpm? With most road engines >it's valve float. >Thoughts? ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
I've always heard it was valve float. Crank them up till you can't get any more rpm and they race them all season like that. If you have a need for that much more speed, simply set an earlier departure time. :-) Larry Flesner