Marty, I use straight 40 weight in my Leman based on temp range in manual. It is sometimes even more elusive then straight 30! I have 2 more oil changes on board...so Puerto Rico it is. I can easily carry 16 gallons, although I have to share that with gen. I suspect once Im over in the Eastern Caribbean, I wont go thru as much as fast as over here. Seems every time I change countries its a few days underway!
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