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Old October 5th, 2004, 09:50 PM
mdmccallum's Avatar
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'97 Defender 90 SW
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Location: Durango, Colo.
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Gas Mileage

Since moving from sea level to over 6500ft above sea level, my gas mileage has gone from 12 -13mpg to ~15mpg. I have a few ideas as to what caused this great fortune. One, I am in a small town were the speed limit rarely exceeds 25-35mph however, I am frequently on the highway climbing higher and higher which strains the motor. Two, is it possible that the gas is that much better up here? Three, Is it that my ECU is calibrated (or whatever you want to call it) to this altitude? I was under the impression that the ECU would calibrate itself with altitude. What thoughts do you guys have for this recent bout of luck?

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Old October 5th, 2004, 10:25 PM
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Doug Walker
TVR5L-powered NAS D-110
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Location: Los Angeles, CA, USA
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Lucky bastard. Yes, ecu reads the air temp and the air mass, so it's 'aware' of higher elevation in a manner of speaking.

I get 9 to 10 with the new TVR 5.0 under the hood. But that's also because I drive it like a mad rhino among terrified wildebeast and cowardly hyenas on Sunset Blvd. Snicker.

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Old October 5th, 2004, 11:14 PM
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Re-Fendered 90
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Location: Temecula, CA, USA
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I get the same thing, in reverse. At sea level I have about 27mpg but up in the hills, it drops to 24mpg. Life's tough
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