I changed my plugs in my F-350 w/V-10 when it had 100,000 miles whith no problem.I was warned in advance to be cautious in removal and installation,make sure they stay straight all of the time.There are only a few threads that are alluminum so much care is needed.In my area there were more problems with the 5.4 V-8.Coil-packs started going out about 10,000 miles later,one at a time.
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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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