I took a trip several years ago out west and went through NM. and AZ. I noticed the octane was lower than the 87 I purchase here at 600 ft. I know the air is thinner at altitude, but not up on the relationship to thin air and a drop in octane. I would think that you need more fuel to get a given bang out of an internal combustion engine with the air being less dense and hence lighter.
On the trip, I remember a mountain I went over, I think around Alamogordo, NM. that was 8500 ft as I recall...just a big blob of rock out in the middle of nowhere. I was running a 4.7L Dodge truck and I mean that thing turned to pure unadulterated puke crossing that thing. I guess the computer eventually would have figured things out, but the crossing didn't take but about 30 minutes and I guess it didn't have time to get it's thinking done. I was coming back east so the fuel I had was the lower octane I bought out west.
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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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