well, I work in the small engine industry now. In NC. At the service schools they tell us to 'educate the customer' that most pump gasoline begins to go bad in as little as two weeks from when you get it from the pump. We are also telling our customers to buy 93 octane gasoline or ethanol free gas if they can get it for their small stuff.
I can understand the part about leaded fuel too- a lot of the older engines didn't have valve seats hard enough to withstand unleaded gas and the lead was a lubricant for the valve seats. The trick is to know which engines and with some manufacturers, it depends on what year, and sometimes which engine had the hardened valve seats in it or not.
Most of the gasoline available around here has 10 percent ethanol in it. I am told that they use the ethanol to raise the octane rating of the fuel. So when the alcohol evaporates you have lower octane than when it came out of the pump.
I do find that if I put 93 octane in the tanks of machines I don't use often I am much more likely to get it to start without a lot of fuss two or three months later.
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Today's Featured Article - Show Coverage: Journey to Ankeny - by Cindy Ladage. We left Illinois on the first day of July and headed north and west for Ankeny, Iowa. Minus two kids, we traveled light with only the youngest in tow. As long as a pool was at the end of our destination she was easy to please unlike the other two who have a multitude of requirements to travel with mom and dad. Amana Colonies served as a respite where we ate a family style lunch that sustained us with more food than could reasonably fit into our ample physiques. The show at Ankeny
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