08-30-2010, 09:16 PM #1
01/05 gprxp same rpm lost 5-7 mph?
gprxp 8150rpms was running 87+ gps
now running 83.5 if im lucky at 8150 rpms
i was running the 1200 single grate when i lost the speed
put on the ss800 grate and it didnt make a difference maybe couple tenths..
skat 12 vein dynafly prop look to be in good shape cant see anything wrong..
pump or shoes seals???
08-30-2010, 10:35 PM #2
check your pump tunnel and make sure the pump shoe isnt hanging down...
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