Quote Originally Posted by RICKY PEREZ
How Much Power And Torque Do These Drives Hold. Looking At A New Boat And This Is The Drive Option. The Boat Will Weight 9500 Pounds And Will Have 650 Hp Engines .
I have Extreme SC's on a 10,500 lb boat and blew two of them back to back within 20 hrs on 580 ci, 720 hp blower motors.

If the motors are natrually aspirated I think you'll be fine. Them drives don't like low revs, boost and big cubic inches.