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  1. San_Diego_SeaRay

    Head Gaskets: To Seal Or Not To Seal

    I need to replace my head gaskets on my 1981 MCM 260 engine. Service Manual #3 on page 6C-49 says to use Perfect Seal on Stainless Steel head gaskets, but not to use anything on Composition Steel Asbestos gaskets. Well my head gasket was manufactured more than 30 years after the engine was built...
  2. San_Diego_SeaRay

    Inner Transom Plate Compatibility

    Forum member Fun Times pointed out to me in another thread I might have compatibility issues w. a SeaRay rebuild project I?m doing. It?s a 1982 w. twin MCM 260s, built in 1981. It originally came w. MC1 sterndrives, and the matching transom assemblies are still on the boat. The actual...
  3. San_Diego_SeaRay

    Questions about Alternator Choices

    I have a 1981 Mercruiser MCM 260 engine that I need to buy an alternator for. When I search for a replacement, seems as though I have some ?upgrade? options available to me. I don?t know what the output of the original alternator was, but here?s what I?m finding as plausible replacements (the...
  4. San_Diego_SeaRay

    I would like to add audible oil pressure and temperature alarms

    Hello! Well I purchased a major project: 1982 27' SeaRay Sundancer w. twin Mercruiser 5.7s. Gonna take a lot of work to get these overhauled but I'm well on my way and everything is going great so far. One thing I'm going to insist on is installing audible oil pressure and temperature alarms...
  5. San_Diego_SeaRay

    Alpha 1st Gen Not Coming Off...

    Well my fellow boaters I've just joined your ranks. Bought a 1982 SeaRay Sundancer 270 for cheap....well, I should say the entry fee was cheap. It's a project boat and will need some serious engine work (twin Mercruiser 5.7s) and two new (but used) sterndrives. Hull and interior are in great...
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