Quote:
Originally Posted by Vettezuki
More of a chemistry question, but does fuel make a solution with oil? I imagine it can make an emulsino but not a solution. IOW, if you take the fuel foiled oil out, let it settle and expose it to the atmosphere, I would *think* the fuel would separate, rise to the top, and evaporate, leaving mostly oil. I still wouldn't run it, because who knows what has chemically happened to the oil. Even just a change in pH to being too acidic would f up bearings if nothing else.
I don't know the answer, but agree with Guy on the better safe than sorry route. Not something to cheap out on.
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Yes, once the fuel breaks down the oil it is a new solution. It will not separate, or evaporate. I wish it would, we wouldn't have nearly so many drums of waste at the shop. It's no different than mixing two cycle oil or alcohol cars that have theirs mixed with transmission fluid or silicone. Since the fuel is a solvent, and an excellent one. Once it's broken down, that's it.
There's no way around it, it needs to be drained, refilled, mechanically primed (meaning don't crank it) then drained again. Then if it were me, run it for a few miles and change it again.