EGR and performance questions

Abodybomber said

Helps if you know vehicle weight,gearing carb calibration actual mechanical compression & camshaft overlap.I originally remember this,to reduce NOx... High temp combustion temps raise this, overlap /egr actually cool it down. In actuality ,egr can richen an over lean OEM carb set up., The government & lack of compression & driveability makes it a necessity on non F.I. cars.

Click to expand...

Spoken for truth Mr Tim San !!!
So,as to the egr increasing fuel mileage observations, Yes, & I have done
5 Gas analysis on long term driven vehicles since ...mmm...'92.
(various Mfgr's engine sizes,& powertrain options, all egr equipped :D)

& Mr AJ/FormS, your 'hypothetical' #'s are NOT far from reality !!!
Go to bridgeanalyzers.com punch in the #'s & ck !!! all the dizzying
real world math You want :iconbigg:
Mr Schrader is a Genius with 5 Gas analysis.

Again I am gonna let this topic 'marinate' before I get into CAFE ratings, Production
costs, EPA emissions standards, Diesel, GDI, & etc...etc...etc...

Apologies gliderider06!!
Long winded I be !!! too excellent topic to pass up !!!