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    8.1L cooling water restriction

    I have a 2007 vintage 8.1L that has zebra mussles somewhere in the cooling water flow. I had trouble winterizing the engine. It would not draw coolant out of a bucket like normal even with a brand new impeller. I got 6 gal of coolant into it eventually. I catch the exhaust in a waste basket...
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    Remote oil tank pressure

    I am plagued by an intermittent low oil alarm because my remote tank is not pushing oil up to the engine tank reliably. What is the normal remote oil tank pressure I should expect on a 2004 , 200 HP, 2.5L carb'd engine? I measure about 2.5 lbs that drops to 2 lbs at higher RPM. I have...
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    J1939 CAN Bus terminating resistor for Crusader

    I have 2007 Crusaders with the J1939 Can bus capability and a Murphy 101 display. I am getting some intermittent problem with display of data. Just wondering if I need to add one or two 120ohm termination resistors to this network? Thanks John
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    200 HP Fuel Pump

    I have a 2005 200 HP carbureted engine. My question is how long should the fuel pump be expected to function? Should I replace it as preventive maintenance item after 15 years? Thanks John
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    Sync-N-Cruise RPM not matched

    I have 2007 8.1L Crusaders with Sync-N-Cruise and a Murphy display panel. My problem is the slave engine lags about 100 RPM lower than the master. I first noticed the drone/beat frequency noise then check RPM. Tried it under load up to 3400 RPM and in neutral at the dock. Same result in both...
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    Running Mercury Outboard on muffs

    I ran my 2003 Mercury 200 HP carbed engine on muffs and a garden hose. Ran about 30 seconds. Never got water out the hole a the top. Plenty of water out holes in the lower unit. Is this normal? John
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