what prop
 

bought boat with a 502 /650 hp, 28 pitch bravo 4 blade bad motor never ran so, I put a 502 around 500-550 hp the 28 is too big what prop wont go over 3900 rpm? boat is a 2000 26 foot awsome cat 4000 pounds my be 24 pitch? i see guy running 32 -34 but they have 800 hp.

Re: what prop
 

Find a dealer or marina that will let you test props. Then buy from them to pay for your testing. There is no substitute/analysis/opinions that will get you the right answer better than wet testing.