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<blockquote data-quote="eyexer" data-source="post: 106559" data-attributes="member: 315"><p>hydrofoils are a major speed drag on boats. And if that motor is mounted too low it compounds the drag significantly. Aluminum props are poor speed performers too. Get someone else in the boat with you and get the boat running wide open and trimmed out so the motor is vertical to the water. Have your partner drive the boat and you go back and look at the cavitation plate. It should be easily seen and be out of the water about 3/4". If not you need to raise it. If you can't see it, it'll be hard to determine how much you need to raise it. A stainless prop will do you wonders. And I'd bet you will no longer need the hydrofoil with a stainless prop.</p></blockquote><p></p>
[QUOTE="eyexer, post: 106559, member: 315"] hydrofoils are a major speed drag on boats. And if that motor is mounted too low it compounds the drag significantly. Aluminum props are poor speed performers too. Get someone else in the boat with you and get the boat running wide open and trimmed out so the motor is vertical to the water. Have your partner drive the boat and you go back and look at the cavitation plate. It should be easily seen and be out of the water about 3/4". If not you need to raise it. If you can't see it, it'll be hard to determine how much you need to raise it. A stainless prop will do you wonders. And I'd bet you will no longer need the hydrofoil with a stainless prop. [/QUOTE]
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