Sorry I called you skip earlier, just missed your name at the end of your post. That further clarification helps, too. I knew about the cam lobes inside a conventional injection pump, but I also knew that those couldn"t serve to operate the Jake Brake, which was the source of my confusion. Now, I understand the concept of "unit injection," which uses a cam lobe on the main camshaft to actuate a pump integral to the injector itself. So, it all makes sense now.
One of the websites I looked at while trying to unravel all this implied that diesel engines are simpler than gasoline engines because they don"t require an ignition system. Not sure I"d subscribe to that theory - seems to me like the added complexity of the diesel fuel-injection system (and the varieties thereof) might counterbalance the simplicity of no ignition system.
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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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