Need some help from you all on upgrading the prop on my boat. It's a 1998 20' Chaparral bowrider (200LE). Motor is a 4.3GL V6 Volvo, 190 HP. Drive is a SX 1.79 ratio. Chaparral lists the weight at 2500 so I'm guessing around 3500 loaded. Current prop is a factory Volvo 3 blade aluminum...