Quote:
Originally Posted by DS98HX
Entering lean burn under 60 mph gets me worse mph than entering and staying in and stayinf above 70 mph.
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I also get worse mph when going slow, regardless of lean burn.
At 100 mph I get no less than 100 mph. At 50 mph I get just 50 mph. I usually do about 55 mph (@55 mph) on the highway though.
As I like to be in my car I don't mind too much, and it is good for economy
On a serious note, it takes a long time to get good at judging fuel consumption by speed.
A strong side wind and a wet road increase fuel consumption more than a 10 mph speed increase.
But generally anything above 50 mph decreases fuel efficiency, as air resistance is then the largest force and it quadruples with speed.
I get best economy at 35 mph. I usually go faster than that for practical reasons.
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