Greg weld -
As I was saying, and you haven't answered and never will because you found 'temperature' and 'egr' in the same sentence and blew a load, that an EGR valve lowers temp of exhaust
The amount of energy used in combustion is determined by your ignition system. That doesn't change with the opening of a valve or the amount of air/fuel ratios that are given to spark. If there is no change in E input, the exhaust gases are the same temperature as before.
Let me give you the reason why I started getting on to all you:
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I'm not the one who thought an EGR valve is directly related to exhaust temperatures.
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As I've tried to explain and you simply can't understand no matter how much you google, cuz you won't stop and think...
there is no effect on the temp of exhaust gases with or without an EGR valve.
You can wrap your exhaust in dry ice and intercool it for all I care and you'll still have the same emissions.
Bunch of immature idiots on here that cant think for themselves, later. doors don't hit me in the ass