I have a 2qm15 in a Crown 34, disp ~10,500 lbs....
I have a 2qm15 in a Crown 34, disp ~10,500 lbs. We run a 14X8 2-blade. I can't speak with authority but likely the final drive is 2.14:1. I think your 13X8 prop should be in the ballpark. Have you...