I am certainly not qualified to argue with you about the lubrication of exhaust valve seats but am only repeating what the IH co. told us. They strongly recommended not using leaded gasoline to reduce deposits on all combustion components but mostly valves and spark plugs. They did however recommend keeping a closer eye on valve clearance setting on older gasoline engines that did not have hard seats in exhaust. Any gasoline head from about 1945 did have hard seats. I personally got into a little disagreement with one of the local fuel distributors who was selling our customers his additive, showed him the service bulletins, but he kept selling it. I also have no complaints on today's gasoline except we are very limited in our octane ratings available. I saw as much or more gasoline go bad 50 years ago as I do now.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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