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    Prop Diameter Help

    I am working with a 1980 Grady White, 4000lb boat, with a MR228 mercruiser. I am trying to arrive at a happy prop selection. I sent the 15 1/4 X 19 prop to be rebuilt. I now get over-revving and not enough top end. So, the search begins. My question in about prop diameter. Playing with 15 1/4"...
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    Slipping Coupler?

    I have a MR228 in a 1980 Grady White. Just had the injured prop (and the spare) rebuilt after a soft grounding. Boat pulls strong from an idle, gets up on plane faster than I remember in the past. The problem is that I have lost some top end performance. The engine will now redline if you aren't...
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    Alpha One Upgrade

    I am in the process of accumulating parts to disassemble a 228 mercruiser. It is in a 1980 Grady White. It is my Dad's boat, and he had been told that the last time he had the drive rebuilt it was replaced with an Alpha One unit. Turns out that is not the case. Since there are so many Used and...
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    mercruiser vibration

    My dad has a 1980 Grady White 22 ft, with a 238 mercruiser (305 v-8 with Alpha One outdrive). In excellent, well maintained condition. Yesterday, I ran it aground on a soft sandbar. Stalled the engine at around 20mph. There is no visable damage to anything. The grounding kicked the outdrive...
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