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Altitude and carb mixture

Old 10-12-2003, 12:59 PM
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fastfred
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Default Altitude and carb mixture

Had the chance to run my car while on vacation at about 3700 feet. My hometown is 80 feet above sea-level. I really had to turn the needle to get it to run properly. Is that normal?

m
Old 10-12-2003, 01:02 PM
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Billyman
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Default RE: Altitude and carb mixture

Yes, the higher you go the thinner the air. When you got there, your engine was so lean it was pethetic.
Old 10-13-2003, 05:56 AM
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nitrofan
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Default RE: Altitude and carb mixture

No, actually it was so RICH it was pathetic. The thinner air means less oxygen to burn, so the mixture becomes too rich. You have to lean the needles (less fuel) to compensate for the thinner air and less oxygen content in the air
Old 10-13-2003, 06:16 AM
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Default RE: Altitude and carb mixture

Nitrofan is right

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