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 - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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