This is how I get rid of old two stroke fuel. Either use it in a mower, just straight out of the can or I will just dump it in my 1980 k10 Chevrolet.I bought a gas can at a yard sale for $2. It was full of red gas and marked "good mix" with a marking pen. I didn't trust unknown gas-mix so I used it up in 4-stroke mowers etc. at about 1 quart per gallon (somewhere around 200-1 ratio). I thought it might have been off-road diesel in there!
edit for typo
You talking mixed fuel in the bar oil or pure 2 stroke oil?You guys may find this one interesting. Fuel mix oil is often dyed blue around here but not bar oil. A guy brought in a Stihl 028 saw with the sprocket/clutch needle bearing burned out and blue oil was being thrown around, pooped everywhere. It was rather obvious that he or someone else had filled the bar oil tank with 2-cycle engine oil. He said that it ran hotter than a $2 pistol and it also burned off the retainer e-clip and washer, so the saw shut down.
I dumped out the remaining "bar" oil, all blue, and kept it in a jar. I imagine I could use it for a light lube on occasion, but I would judge it to be about the same weight as tranny fluid -- 10% bar oil and 90% fuel mix. I hesitate to use it as fuel mix, but if I throw it in with 2 gallons of gas, my log splitter's engine might gobble it up. However, a few purists might not like that idea. Opinions welcome.
Correction made to my post above -- 2-stroke oil mixed with residual bar oil in the bar oil tank. Looks like very little trash in what I dumped out -- just really thin oil mix. Since its rather fresh, I just may save it in an oil can for occasional lube work. Luckily, the bar oil pump seems to still work fine. I've actually heard of guys doing something like this in really cold weather to thin out the bar oil, but imagine doing this today at 100 F. You should see what's left of that needle bearing after the E-clip retainer and washer vanished.
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