hello, [email protected] or any one who has tuned a jacuzzi wj! 73 jemcraft/southwind SJ approx 500hp jacuzzi wj custom ride plate b/c htp cut impellar went 69.9mph with original jacuzzi diverter and ridin wet! So i went to the adapter ring and std droop with 5deg up wedge made a pass in mod chop water @ ft cobb and the boat slowed to 66.5mph and these are garmin gps passes! just lookin for some tuning help! i have been told so many things whats right and wrong???