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Author
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Topic: Emissions question/idea
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AcesWild85
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Member # 2616
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posted
 
 
Ok, i've heard before that the hotter your engine is running, the cleaner your emissions are. This is because your cats need the heat to burn off extra hydrocarbons, right? Well, would it do any good for an emmissions test to wrap the headers, X pipe (forward of the cats), and the cats with fire-proof cloth or tape to retain as much heat as possible or would this hardly make a difference?
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College student and U.S. Marine; The possibilities are endless...
Mustangs aren't built; they're born!
Posts: 844 | From: San Jose, CA | Registered: Mar 2003
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wilit
Mustang Messiah
Member # 3367
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posted
Depending on the placement of the cats, they generally heat up to operating temp. within 30-60 seconds. Too much heat, and you'll melt the catalyst inside. Wrapping the headers will get you some extra ponies, but as far as being more emmissions friendly, I don't think it'll do anything of the sort.
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"If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr.
Posts: 4793 | From: 37.78514° North 122.40100° West | Registered: Oct 2003
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AcesWild85
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Member # 2616
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posted
I know wrapping the headers will reduce engine compartment temps, but how does it give you more HP?
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College student and U.S. Marine; The possibilities are endless...
Mustangs aren't built; they're born!
Posts: 844 | From: San Jose, CA | Registered: Mar 2003
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DropTopFox
drama
Member # 1689
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posted
Cooler Intake charge=more power. I.E. your intake draws heat from the engine compartment, the engine compartment cools down and so does the intake charge,although it's not worth the time in my opinion. ![[patriot]](graemlins/patriot.gif)
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Go out and do something for yourself today everyone, quit depending on others
-Me
http://www.CaliforniaFords.com/cgi-bin/album.pl?album=00001689
Posts: 4003 | From: San Bruno | Registered: Aug 2002
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wilit
Mustang Messiah
Member # 3367
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posted
quote:
Originally posted by DropTopFox:
Cooler Intake charge=more power. I.E. your intake draws heat from the engine compartment, the engine compartment cools down and so does the intake charge,although it's not worth the time in my opinion.
Close, but not quite. Wrapping the headers makes them retain the heat inside the headers, rather than acting like a radiator. The theory behind it is, the hotter the gasses, the quicker they flow away from the exhaust port. The faster the gasses flow out of the combustion chamber, and exhaust port, it creates a lower pressue inside the combustion chamber to help pull in the incoming intake charge when both the exhaust and intake valve are open for that split second.
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"If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr.
Posts: 4793 | From: 37.78514° North 122.40100° West | Registered: Oct 2003
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AcesWild85
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Member # 2616
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posted
Eh, it's worth a try i guess ![[Smile]](smile.gif)
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College student and U.S. Marine; The possibilities are endless...
Mustangs aren't built; they're born!
Posts: 844 | From: San Jose, CA | Registered: Mar 2003
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Jimbo
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Member # 1456
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posted
The idea of getting the engine or combustion chamber hotter might have work with the old test where we only tested for hydrocarbons(HC) and carbon monoxide(CO). Now we test for NOx as well, NOx actually INCREASES the hotter the combustion chamber temp is. Superheating the cats might work but, having the car in good tune with a good set of cats would probably do more to help your cause.
Posts: 352 | From: Castro Valley,CA | Registered: Jun 2002
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