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Old 08-02-2002, 04:01 PM
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RunningTooHot RunningTooHot is offline
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If you have some room to play with on the HC readings, then you can richen the mixture just a tad which will help lower the NOx readings - it's a tradeoff between the two. The richer mix will help lower the combustion temps and therfore lower the NOx a bit, but it will drive the HC up...

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