rawheels

i have exactly the same spec.

my plane is a kitfox 2 and empty weight is
595 lbs with my hks 700e and powerfine 2 blades prop

i have 6000 on the ground and at 55 mhp i have 650fpm
and cruise speed at 5400rpm is 65 mhp

what the empty weight on your plane?

Dave