Hi Alexander,
 > On my car disabling EGR allowed the engine to
 > rev much more freely.
Very possible.
 > And the net result was that I had a 200rpm drop at
 > 60mph cruising with it
 > disconnected.
How can this be. Your cruising RPM is a function of gear ratios and tire size 
and with an automatic, the load on the engine. I could see a possible 
mileage/horsepower gain, but not an RPM drop. Can you explain this to me?
Gerry
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