115 HP Johnson, Seapro 180CC, 14x17 Al prop<br />I got 42 Mph @ 5800 GPS (setup from the dealer)<br /><br />This weekend I got the chance to try a SS (remanufactured, not sure what type, 389510 stamped on the hub) It seemed to slip (motor rev up slightly) a bunch while planing out. Reached 44.7...