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Old 02-17-2012, 05:19 PM
1fastredsc 1fastredsc is offline
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Join Date: Apr 2010
Location: Carlsbad, NM
Posts: 19
EGR's are also meant to help reduce NOx, HC, and CO emissions, by recycling the exhaust gases for another go through. It forces the NOx to separate back into N2 and O2, which allows the O2 to finish reacting with the HC and CO to create CO2. So removing the EGR will get rid of the gunk in the intact manifold, increase part load power, clean up the engine bay, and possibly increase fuel economy, but will also increase emissions.
1985 300SD "Battleship"
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