So I just bought a 14.5' Wahoo with a Merc classic 50 that runs beautifully. It has a 12P prop that was damaged so my buddy gave me a SS 13P and I took it out for a cruise. Me (280lbs, GF 130, and friend 200) full of 8 gallons of fuel and boat that weighs 675lbs. It planed but it took a while...
