| Re: Oil Extractor for Quick Oil Changes Those have been used on powerboats for decades with no ill effects. Mercruiser started putting an oil pan drain hose (goes through the transom drain plug hole) on all their engines several years ago. My thoughts are that they would not have spent the money unless there were benefits from draining as opposed to suction. I'll stick with the Fumoto drain valve myself.
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Deep South Texas
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