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 - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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