Quote:
Originally Posted by axis earl
I got a bit more of an explanation from the contact at a company called the Paint Department in Chino, CA. This is a full service business and has one of the largest RV painting facilities in the area. The tech I spoke to explained that the generators on our RVs are low compression in their engineering. High octane gasoline is blended for high compression engines that call for the high octane which generators do not. He also said that RV generators are made to run generally at 3600 RPMs. The high octane fuel causes the RV generator to actually run at lower RPMs which changes how it cycles and tells the little computer something different is going on and will end up shutting down the generator. I guess if you want to hear it from the author, you could call this business and ask to speak to "Chuck". As I said, I don't plan on putting anything other than regular grade fuel in mine anyway.
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In short no no no. The gasoline generators are governed to run at 3600 RPM to provide 60 Hz AC power. The frequency of AC power is directly related to the RPM of the generator and the windings. High Octane fuels resist knock or pre-ignition. You won't hurt the engine by running a high octane fuel in a small motor you will just waste money. That said you cannot use E85 fuels in small motors because that can corrode parts and has a lower energy content and can create other problems with lower HP.
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