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I just replaced my ACME 380 with an ACME 644 on my SAN. There is, as most have noted, a noticeably better hole shot, but at the sacrifice of about 4 Mph top end, and several hundred more RPM. previously, my top speed (I know, who cares)was around 44, now it is 39-40. All that being said, another somewhat frustrating situation is taking place. When I am fully weighted (sacks + stock ballast), and I cut out to the port side of the boat (heelside for me) the wake is awesome. PP holds speed, and the wake is clean. However, when I cut out to the starboard side (toeside for me), the boat seems to drag, PP searches within several MPH, and the wake softens and becomes very peaky. Still clean, but there is a noticeable speed decrease. This happens with any rider, and on several different days, and the boat is perfectly balanced out, side to side. My theory so far is that somehow, I am getting a cavitation effect that is screwing up PP. Don't know how a new prop could affect this, but that is the only variable that is different. Any ideas?
Chad
Chad