Quote:
Originally Posted by thomasryan
AFM is what meters/measures the air the motor is consuming and its temperature. the first rendition was on the VW 411. there is an arm attached to the 'barn door' or flapper that makes contact on a carbon pile style surface. when the parts wear, the computer cant tell how much air the motor is ingesting.
at elevation, the air is less dense so less oxygen. therefore you need less fuel which results in less power at a given rpm. higher octanes have slower flame fronts but you might try a different fuel grade and type. if I cant run 100% 93 from co-op, shell premium is my 2nd choice.
imho..ethanol is a fallacy much like fluoridated water.
don't worry about trim.
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Ethanol is not a fallacy, it's a fact of life for those of us who live here. The robber barons get about $.30 a gallon more for each step up. We put up with the greenies as a cross we bear for living in paradise. They are convinced ethanol reduces our brown cloud. There are a few ethanol free stations but they don't carry it all the time. I live about 20 miles from Denver. The car is going to be a daily driver so pump gas close by is a necessity since it's a long drive to get anything better.