Posted by Steven f/AZ on October 08, 2007 at 07:58:24 from (24.121.167.138):
In Reply to: Synthetic Oil posted by Wild Bill Caldwell on October 07, 2007 at 19:14:38:
My personal experience has been good with synthetic oils. I currently use Mobil 1 exclusively in my vehicles and Mobil Delvac 1 5w-40 in my tractor. I change oil once a year in the tractor and every 6 months in the vehicles, regardless of mileage (usually 6k to 8k). Also, I have switched several high milage engines (150k plus) to synthetic oil without any problems, consumption, or leaks.
Here in AZ where the ambient temp can hit 125 degrees in July and August, I feel that the extra protection of synthetic is a must. In ND, where my tractor is located, the ambient temp can be -35 degrees in January and I fell the extra protection and cold flow characteristics of synthetic is a must.
Having said that, I went many years on whatever was the cheapest on the shelf (usually the SuperTech 5 quart jugs) and using a 3k to 4k interval and never had a problem.
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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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