I have a 1993 Explorer with the 5.7L V/P duo prop, fresh water cooled set-up. I bought the GW in the winter of 2003. Prior to this I had many O/B’s (OMC and Merc’s) for 30 years. My last O/B was a 150 HP Evinrude Ocean Runner which I bought new. I practiced safe fueling, used all the additives...