> I gave It full throttle and instead of the 2350 to 2400 static > that I had been getting it surged to 2550 (maybe 2600) and the tail > was bouncing off the ground
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ What brand and pitch / diameter prop are you running to get 2550 to 2600 rpm static? I get 2350 to maybe 2400 max with a Sterba 60X64. Larry Flesner
