RE: Prop Size on Stihl 76cc Conversion
Rcpiet,
A menz 24x10 should get about mid 6,000 range. A 24x8 should get into the 7K range. A ZDZ80 only gets very low 7K range with a 24x10. A big engine doesn't to turn as fast as a 50cc. If it is no EI it will be a good runner.
Dave