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I have a 2003 Fourwinns 190 horizon with volvo penta 5.0 gl and sx outdrive. Manual say Duraplus premium engine oil for AP service CE/SG for engine. For outdrive it only states Duraplus GL 5 synthetic. I understand that a suitable substitute for engine oil is SAE 30. Is this correct? What...
It starts right up and idles fine and you can rev the engine up it runs great. Put it in gear it idles at low speed okay give it gas it shuts off and will not restart for an hour or so
