Posted by mEl on January 30, 2009 at 16:55:57 from (75.104.128.37):
In Reply to: Camshaft replacement posted by John - OH on January 30, 2009 at 13:56:52:
It is not common knowledge that the tip of the cam lobes are not flat but have a slight grind to them that along with the convex grind on the lifter gives a contact pattern that spins the lifter and gives a more gradual and less straight on contact. This was all explained by info received when I had a regrind done by Lunati for my DC Case. New lifters alone will not assure that the contact pattern is correct. A used cam surely has wear that is not compatible with a resurfaced lifter and should be reground to assure proper break in and maximum life. There is a possibility that premature cam or lifter failure can occour unless both are correct and can begin their lives together. mEl
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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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