I have a 2000 Four Winns 180 Horizon F/S with a 130hp johnson. I have the stock prop on it which is a 3 blade aluminum 14 1/2 x 19. At WOT I am currently getting 42 MPH at 5200 RPM, using both dash gauges, not GPS. I believe the gear ratio to be 2.25:1 from what i found on the internet
I...