I have seen cams wear a bit on the high spots of the ramps. Often not a huge issue when the cam has a lot of hardened surface, or is all forged steel like in my Ford IH diesel pickup.
Chevy cams in the 70s were soft castings with a very thing hardened surface (Parkerized). One that thin layer wore through, the cam wore down to nothing fast.
This Ford Jubilee with the 134 engine seems to have wear at the bottom of the cam, not on the high spot. Very odd. I will know more later.
When it comes to custom cam grinding? I have to wonder how a cam is rehardened if it is a soft casting?
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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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