I have a 20 1/2 Wellcraft Eclipse, mercruiser sterndrive, 210 HP 5.7, deep v.
I currently have a mercruiser prop. 14 1/2 diameter, 21 pitch ss, 3 blade. I have a little problem getting it up on step. The boat is fairly heavy, so with 3 or 4 persons in it, I'm pretty sure a 19 pitch would help...