Recent content by dshanks

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    Year and Model Guess?

    I purchased a 1960s(?) vintage Starcraft aluminum semi-V boat, and I'm trying to identify the model for registration purposes. It's 13'5" long and 6'1" wide at the broadest. At some point in its past, it was painted over, but I found a spot where I think the original paint is peeking through...
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    1954 Johnson QD Sizzling Plugs?

    TLDR: Is it normal for water to sizzle when splashed on the plugs if it doesn't sizzle on the head itself? I got my grandfather's 1954 QD running again but had problems with it overheating at wide open throttle. I discovered the water pump grommet was split and figured that was the cause of...
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    Johnson 1954 10HP QD-15: Thanks and some questions.

    I believe I found the reason for poor cooling at high throttle. I pulled the water pump and the impeller looks fine (though I'm replacing it). But the grommet at the top of the pump is split (see picture). My theory is that at low speeds and low water pressure most of the water was going up the...
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    Johnson 1954 10HP QD-15: Thanks and some questions.

    First, I want to give a big thank you to all of the people here who have posted advice and answers to questions. I'm not a mechanic by any stretch of the imagination but I've been working on getting my Grandfather's 1954 Johnson 10HP running again. When I pulled it out of the shed it had been...
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