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Originally Posted by Cold lake guy
Ok opti for the win....how about the sled is cheap Castrol as good as the expensive synthetic? I’m talking hobby guys not the trappers and survey guys but hey chime into!
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2 stroke mix oil functions best when its flashpoint is paired with operating temperature of the machine its being used in. Too low, and its burns off of the piston crown and damage can result. Too high and it makes sludge in the exhaust. The best is to run a 91 octane fuel without ethanol and a good synthetic mix oil. Pair this for your sled and the auger will work fine with it. I run Motul 700 and 99 octane race fuel, but 91 ethanol free should be more than fine.