Quote:
Originally Posted by Coalsmoke
Thanks for the reply, but I still don't see how it would make a difference. The turbos are fixed vane, but they do have a sliding gate (Holset calls it a nozzle ring). What I don't understand is how the soot that has been re-burned because of the EGR system is going to plug the sliding gate up any worse than the soot already coming out of the exhaust manifold?
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The best way I know how to describe it is the soot is held in captivity by the re-generation process longer in the engine, until the next re-generation, etc. This causes an accumalative effect on everything including the turbo. Just look at the tail pipe of a properly operating new truck (no soot clean) and an older 5.9.  
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2007.5 4x4 6.7 auto w/Edge additude, PLM deep trans pan, 305/65/17 pro comp tires, everything else stock.
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