I found that 15/40 oil in a hi milage engine made noisy starts and erratic oil pressure in December.10/30 fixed the problem.Weve all heard engines be noisy on start up after an oil change but this rapping happened on every cold start.Truck manual says 15/40 is ok but rappy starts and wandering oil pressure say I cant use it.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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