I have a 1992 Maxum 2100 SC with the Alpha One 205HP 4.3 V6. Currently, I'm getting 48 MPH (GPS) at WOT, but the RPMs are stopping at about 4200. The boat gets up on plane OK (without trim tabs), it just seems like I should be getting more RPM out of that motor.
I was thinking that a 14.5x18...