Well, I have my 73 tri-hull that weish 1600lbs dry, probably what like 1900lbs loaded? With a mercruiser 140 and a pre-alpha drive.
My prop is 14" x 17p and I can only get to about 4250 RPM if I mess w/ my trim.. My timing is fine, points, condenser, cap, rotor are good. Fresh gas, and a...