Recent content by illinoisbigwheel

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    Mercruiser 454 Overheating after 1 -2 hours~

    I have a 1990 Baja twin 454's. 1 motor is overheating. It has a new seapump, water pump, thermostat & temp gage. The motor runs about 180 degrees for about an hour and half. When speed up, the temp climbs. The motor kind of "bogs down" then temp gage shoots to 220 degrees. This past...
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