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Old 04-30-2008, 02:09 PM   #3 (permalink)
jcantara
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Join Date: Apr 2008
Posts: 21

Focus - '05 Ford Focus ZX3 SE
90 day: 30.86 mpg (US)
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Quote:
Originally Posted by JohnnyGrey View Post
Don't worry about the emissions. Even during lean burn, your 2.0L will produce fewer NOX compounds than your average V6 family car. If you look at total NOX compounds produced instead of PPM, they're rather low.
Ah, that's great info! Does the NOX actually decrease (total sum) in lean-burn, even though PPM wise it increases? Or is it around the same amount as with stoich-burn?

-Jesse
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