93 or 91 or whatever is NOT "better" gasoline. It is the same stuff with additives to boost the octane or just refined to a different level. Nothing fancy or better. Just gasoline.
Of all of the stories of "never had a problem," I have seen enough problems with ethanol to know that there is a potential for problems. While most times, there are no problems, there are also times when there ARE problems. One fellow brought me 3 mowers that he could not get running. He had put E10 in each one. They were all gunked up with some gray sticky material that was nearly impossible to remove. The only thing different about them was the first use of E10. Coincidence?
Octane is a measure of a fuel's characteristics in regard to Reid vapor pressure and rate of combustion. Most engines will run best on the fuel that they were designed to burn. But, of course, every shade tree mechanic knows better than the folks that built the engine. Right?
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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