Has anyone used coleman fuel / white gas and oil in the 3w's or DA engines?
I have seen this work on custom made engines and they run good!!
Is there a problem with using it with the right oil mix?

Thanks,
Tony

Moderator's note: The Title was changed to reflect a fuel - oil ratio of 40:1 (2.5%) instead of being 40% oil which I think was his original intentions? -- Jim