Originally Posted by wavear15
Currently on my 3rd tank of fuel trying this out. Not noticing any change in average MPG's but it does seem to be driving smoother. Placebo Effect?
On my car(CVT), I get my best mileage at a constant 65mph on the highway, keep the RPM's under 3000 on acceleration, and the tires filled 38psi front, 36psi rear.
No. You'd get better mpg if you went 55 or slower. I get 42 when I go 55.