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    '99 3.0 liter exhaust manifold gasket question

    I had a blown head gasket and am starting to reassemble everything. Something that seemed odd is the exhasust/intake manifold gasket. the exhaust ports are all bigger than the openings on the old gasket and the new gasket. It seemed odd and kind of a waste of power for this to be how it is...
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    cylinder color Mercruiser 3.0

    We have a 99 Bayliner 1750 with a 3.0 mercruiser. Looking for some visual help. Last sunday we were about 5 minutes into a boat ride and lost power, rpm and gained a really rough runnning engine. Did not overheat. Got it back to the dock loaded it up and came home. i diagnosed a blown...
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    help with 1984 Mercury 115

    Hoping for some help. I have an 84 Merc 115 6 cyl that the Mercury guy of almost 30 years can not figure out. Last summer it got a new stator, since then, it has been under powered and has not been able to get up past 2800-3000 rpm when in the water in gear. It starts to rev up, right when you...
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