yes.. and the "hydro treatment" removes all of waxes.. there are serveral ways to do this... Chevron has the most popular license method. AND part of the api tests are for this problem. Some engine designs were inherit to sludge forming as they trapped oil in the passages in a way that let them cool down when the engine was shut off, and drop out the heavier portions and eventually clog those passages. ON these engines use of a medium to poor oil was a sure fire way to kill off the engine early. A simple redesign of the oil feed location on the oil galley fixed these problems by feeding oil from the low end of the engine and not the high end, so that oil pressure continuously clean the galleys from the bottom up.
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Today's Featured Article - A Question for Dads This recent topic from the Tractor Talk discussion board is being highlighted because it is an awesome display of the caliber of individuals that have made this site their own. The young person asking questions received positive feedback and advice from total strangers who "told it like it is" with the care many reserve for their own kids. The advice is timeless... so although it isn't necessarily antique tractor related, it will be prominently displayed in our archives to honor those who have the courage to ask and those who have the courage to respond in an honest, positive manner.
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