Posted 1/16/2014 00:57 (#3607512 - in reply to #3606925) Subject: Re: Experts: how can EGR not shorten the life of an engine?
Oregon
Those "hot exhaust gasses" are cooled before induction and they act to lower combustion temperatures. I suspect, but do not know, that the real drawback to longevity is the introduction of carbon to the intake side of the motor. If your Tier 4 Deere is smoking, you have problems. -Mike