Hi, Guest
04-09-2008, 04:03 AM
To lower your NO, you want to either add innert gas into the chamber, reduce combustion temps or ensure the CAT is operating properly.
That being said, the easiest thing for you to control is the combustion temps... may want to make sure your car isn't running lean at the RPMs/loads that they do the test at, put in a higher octane (or lower octane with alcohol in it), or bring the car in cold(ish).
that can help lower your NO emissions, but could also increase your hydrocarbon count.
That being said, the easiest thing for you to control is the combustion temps... may want to make sure your car isn't running lean at the RPMs/loads that they do the test at, put in a higher octane (or lower octane with alcohol in it), or bring the car in cold(ish).
that can help lower your NO emissions, but could also increase your hydrocarbon count.
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