Engine should not be operated so slow and so heavily loaded that it is lugging. There are so operators out there that think they are "saving " the engine on rpm alone And not thinking of continuous max combustion chamber pressure and max crank torque. Power will be rougher with higher peak impulses wih an engine making 100HP at 1400rpm vs. 100HP at 1800rpm. Turbo engines do need some rpm to build boost. Operating the engine at less than what ever peak torque is measured at is usually not a good idea. Cooling system is moving less air and coolant at reduced rpms . Overheating can be a factor. Odds are you will never live long enough or own the engine long enough to see any extended engine life advantages of 1400rpm operation instead of 1800rpm. Fuel consumption , yes, no or maybe......
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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