- Oct 13, 1999
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I don't know if I'd believe any technical information published in that, or any other dirt bike magazine. I do however know of some SAE technical publications that were written by McCullogh (sp?), the chainsaw manufacturer. During dynamometer testing they were able to increase horsepower as more oil was added into the fuel, up to the point of fouling the spark plug. This is why jetting has to be "spot on" when running oil mixtures greater than 32:1. I wish I could reference the SAE number on these papers, but the information I have is buried away in storage right now. Perhaps Rich or Eric would know?Originally posted by ATK ADAM
Actually, that's a myth that was disproved in an article in Dirt Rider a few years ago. There was very little difference in power between 16:1 and 50:1.