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 - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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