engine, 5.8l 351 ford
hull, four winns sundowner 225
outdrive, cobra
gas, mid-grade
prop, 15x15, 15x17
max rpm 4k-4,400
my problem,
at wot or 4k+ rpm i can only do about 200 yards and then the rpm drops slowly about 500, then starts to backfire. i then have to return thottle to idle and wait a...