Hi All,
I'm running a 13.5 x 15 three blade on an 87 125 Force. powering an 87 Lowes Fish N Fun, 20 ft. At 3500, about 3/4 throttle I'm running 24 (GPS). I haven't had it up to WOT as the lake was choppy & this was my first outing on the rebuilt boat. If I'm doing the math right I should be...