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Re: 1988 Cavalier 2.0L - Questions on high NOx & DIS timing
Posted to Emissions Forum on 1/3/2003

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That is consistent with the SAE paper that I mentioned........some as high as 97-98% efficient (catalyst efficiency). In other words if you have 100 ppm HC in the feedgas, the cat oxidizes 97 ppm leav... Login to read more.