Audi Original "S" Cars Discussion forum for the Audi Audi Ur S4, Ur S6, S2 & RS2

stupid question??

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Old 10-11-2009, 06:50 PM
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Dont PVC gasses help to cool the cylinder as well or is this just done by EGR?
And yes I am younger, a spright 32, but old enuf to that I dont know much yet. I just enjoy learning from the wise.
Old 10-12-2009, 11:39 PM
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Well at (spry) 32 youre almost old enough to run for president, so I hate to break it to ya, but youre officially a grown up...chronologically anyway, lol.
The pcv valve does help to cool the combustion temp slightly as a byproduct of its operation, but not anywhere close to the egr , cooling combustion temp is the primary function of the egr, which in turn reduces NOx emmisions and reduces pinging.
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