gas storage

  1. Soul Mate II

    Winterizing engine gas (marvel mystery oil, engine stor) OR just add stabil ??

    Hey Club Sea Ray, I was at the marina working on winterizing the boat. I am doing to myself to save a small fortune. The marina said because my 7.4 Mercruisers are fuel injected I should create a mix of marvel mystery oil, engine stor, and a stabilizer and run each engine for 20 minutes...
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