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Honestly, the props and setup are not quite where you want to be.

Regardless of prop, you want the engine mounted 2 holes up (top bolt in the 3rd hole down from the top) when the top holes are drilled according to the standard BIA pattern of 1-7/8" down from the top of the transom.

As for the engine. Your target WOT rpm's when running solo with a full fuel load and standard gear is 6300 rpm.

Note that the diameter of a prop is set by the gearcase of the engine.

Prop size is not universal so an X by Y prop by Company A is not the same as the same size from Company B. For this reason, we state the make, model and size of the prop.

Once you move the engine up, I would start with the Enertia in a 21" prop because the CT has a 2.38 gear ratio rather than the standard 2.07.

Note - Speed should be measured by GPS only.

Per member/owner testing the Dauntless 160 performs better with a 4 bladed prop and tabs.

Remember - We set the engine height and select the appropriate prop to reach WOT rpm's/speed so that the engine performs well at ALL speeds. It not just about going WOT all the time.

EDITED to correct gear ratio of CT and appropriate prop recommendation.