I would like to stay around 8500 the motor has 4 lake trips on it an more time at the lake me drinking beer looking at it than driving it lol the motor is completely built inside with a balance bottom end the jet was built at the same time blue printed an turned down the clearance for less cavitation it's about a 75 mph boat but every thing elce is all original from 79 off the show room floor my ex father in law is the original owner an he is matchless on everything he owns me his son an him are the only people ever to drive the boat everything from jet to motor was built not cause it needed it but it's just the way he is