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    Using an Antifreeze Pump to Winterize

    Thanks for your response. The carbed engine only overheats at the point where the engine block has been drained and I'm trying to get antifreeze into the engine through the earmuffs. The rest of the year, the temp is fine under all conditions (cruising and idling). It runs in fresh water. The...
  2. P

    Using an Antifreeze Pump to Winterize

    I have a 2016 19 foot Sea Ray stern drive with a 4.3 liter engine. I have tried using a five-gallon gravity antifreeze feeding system hooked up to earmuffs to winterize the engine, but it overheats. This is after warming the engine up to operating temperature, using the single point engine block...
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