Quote:
Originally Posted by Joenavy85
Correct (as far as i can tell). INERT gasses don't support combustion, that tells me that there is less combustion (relatively speaking) and therefore less total heat generated. here's another way to look at it. same amount of fuel x less oxygen = richer mixture = less heat. if it came down to being about pressure than having EGR on an engine with a MAP sensor wouldn't work. just my 2 cents
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Kinda.... Provided there isn't excessive EGR and the mixture is homogeneous, just as much fuel should be combusted as w/o EGR. According to wikipedia, what the exhaust gases do is lower the specific heat of the mixture. The amount of heat is the same, but the temperature of the reaction drops.