Propeller size evinrude 175

[Plaird]

I have a 1976 20'. Evinrude 175, does anyone have any info what size prop I should be running.

[muzzy1127]

what are you running now?

if you dont have one id start maybe with a 15x15 and go from there.

use this site, http://rbbi.com/folders/prop/propcalc.htm

put the true numbers in and try go get the slip as close to zero as possible. im right at about 11%