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MAXUM · 06-03-2011, 03:02 PM

Higher the pitch the lower the RPM at cruising speed and usually you gain a little bit on the top end for speed.

Lower the pitch and you'll get better hole shot (good for pulling people) but you'll be pushing the engine at a higher RPM at cruising speed.

Chances are if you have a stock prop on there it's a 3 blade 21 pitch aluminum. I would suggest you get a 20 pitch 4 blade aluminum. The added blade gives you a much better bite on the water and better hole shot and because it's got 4 blades, the drop in pitch will not affect the RPM at cruising speed. It's really a superior option to the 3 blade as there are no compromises and minor price difference. Just my .02 cents and observation with my cousin's 20 footer with the same powerplant.

06-03-2011, 03:02 PM	#7
MAXUM Senior Member Join Date: Apr 2004 Location: Kuna ID Posts: 2,755 Thanks: 246 Thanked 1,942 Times in 802 Posts	Higher the pitch the lower the RPM at cruising speed and usually you gain a little bit on the top end for speed. Lower the pitch and you'll get better hole shot (good for pulling people) but you'll be pushing the engine at a higher RPM at cruising speed. Chances are if you have a stock prop on there it's a 3 blade 21 pitch aluminum. I would suggest you get a 20 pitch 4 blade aluminum. The added blade gives you a much better bite on the water and better hole shot and because it's got 4 blades, the drop in pitch will not affect the RPM at cruising speed. It's really a superior option to the 3 blade as there are no compromises and minor price difference. Just my .02 cents and observation with my cousin's 20 footer with the same powerplant.