Moisture and condensation? Really?? Modern oils have additives that fight the effects of the acid build up from moisture and condensation. The hd diesel oil comes fortified with alkali or base additives. As some if the well informed have said... If your worried, do an oil sample for testing.. after a bit you will get a feel for when the oil REALLY NEEDS to be changed... AND.. you will find its always longer than the manufactures recommendation.
AND... if your worried about moisture,, work the tractor for an hour or more... as the oil runs between 212 and 235 degrees, any moisture will be boiled off and all is good. Modern crankcases are fairly well sealed, internal engine parts are coated with oil, and newer high thermostat temperatures remove any moisture problem.
Oil in the 50s, 60s had NO additives, and were full of sulfur, wax and paraffin. The thin part boiled of and the oil got thicker and thicker... Changing this bad oil often was the only solution.
New hd oils dont have these problems. Unless you operate with no air filter, in a dust storm, at wide open throttle all the time, in an over heated condition, changing oil early makes no more sense than changing your the air in you tires every month.
You can keep listen to old wives tales or go to Bobs oil site, or any other modern oil site and find out the truth. Modern oil change intervals are actually designed that if one is missed, the oil will still have enough service life left to make it to the next interval and not damage the engine.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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