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    GMC Envoy engine in a boat?

    I have a 1978 Sea Ray 185 boat w/ an inline 6 mercruiser motor (250 cubic inch). I have fought the old water in the oil issue, and about decided that I have a cracked block that is not repairable. My question is: has anyone tried to put a L6 motor in a boat? Here is one on ebay...
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    Are there any write-ups....

    ...on how to pressure check and engine block for internal cracks? (such as getting water into the oil through the engine block water jackets) Please, post a link if you know of one. I desperately need it... Thanks
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    More problems with the 4.1L Mercruiser...

    I took out my 1978 Sea Ray yesterday, and encountered some more problems. The main one that I am concerned about is that when I tried to go to a higher rpm (don't know what rpm because tach doesn't work), it fell on it's face and died. It ran fine up until this point. Then, it was start and...
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    Leaking manifold in 250" Mercrusier

    Hello, I am kinda new to this forum. I've been lurking around for a month or so, but decided to come in and say hi. :) And also ask your advice. I've acquired a 1978 Sea Ray 185 Runabout. It has a Mercruiser inline 6 (250 cubic inch, 165 hp) motor. This boat has sat and not been run much...
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