I am having a YS1.10 turning an APC 13x11 on a WM Dago Red with a 3 1/4" Dave Brown Spinner. Fuel used in Cool Power 25%. Current HS position is about 2 clicks richer than the "300 rpm lower than max rpm" position. The current setup allows the plane to perform "unlimited" vertical. Tach reading on ground is 9,900 rpm with approx 2200 on idling. Will be looking forward to lean out to the max healthy HS position.

Question needing your advice ... assuming objective is to trade climb for higher speed
1) Should I try to find a prop that will keep the rpm to within 9,000 ~ 9,500 range?
2) If so, what size prop would you suggest me trying?
3) What is the consequence of going for a prop that gives higher than 9,500 rpm (of cource keeping it under 13,000 as per specification)?

Thanking you in advance.

cheers,