I have a Larson Senza 186 with a Volvo 5.0L GL, currently I am running a 21 pitch 3 Blade prop and getting 4400 RPM at WOT for about 56 MPH. I am thinking of going to a 19 pitch 4 Blade. Anybody have any ideas of how this will work? will I lose top end or gain?
My main concern to to get the...