Frankie
I Build and Run Ported Saws !
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Cost is always an issue. In the end, it breaks down to $/day operating cost. At a certain point saw longevity is meaningless if you can buy a brand new saw with new everything for the amount of money you spent on exotic fuel. You mentioned reliability which is a factor, and could make exotic fuel worth the expense, especially if your livelihood depends on the saw operating when it's supposed to.If you are doing a $1000 fell and convert to firewood on the spot for a customer and burn a total of 1 gal of fuel (felling and bucking) then the price of the canned fuel vs pump gas/favorite mix oil is a really a non-issue