Thread: E85 fuel FAQ
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Old 07-24-2005, 06:02 PM   #13
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Join Date: Sep 2003
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Location: 1000 Oaks, CA
04 STi
Aspen White


Originally Posted by hotrod
I have not had to get an emissions test to date ( exempt as new car) so I cannot provide any factual info on that. I do suspect based on prevailing research it can only help the emissions that are currently evaluated in our emissions test. Ethanol is well known to lower HC and CO emissions and if not run too lean makes little change in NOx emissions.

Because of the way ethanol burns you will see huge reductions in the HC and CO emissions. The blend you are running should burn more completly (because of the ethanol mixture) which greatly reduces the amount of CO and ethanol doesn't release any HC when burned like gasoline does.

The mixture you are running you could probably go to the smog place catless and pass with flying colors.
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