Posted by rbeissel on November 21, 2023 at 14:17:15 from (63.229.212.169):
I have a 1968 JD 3020 gas tractor that I recently replaced spark plugs. I installed Champion D14 (JD #AA4053R) which are OEM. The spark plugs I removed were Champion D21. Im wondering what the difference might be between the D14 & D21 plugs besides the heat range being higher on the D21? Perhaps better economy? Does it start any better in winter? Has anyone ran the D21 in place of the D14? Anyone's thoughts?
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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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