I did the aero template overlay. That's pretty cool.
Around a gallon into the new tank and my average is bouncing around 41.5 mpg. Still coasting whenever practical plus spending as much time as I can in 5th gear, barely pressing on the throttle when needed. It's already become habit. I'm calling that first goal reached! Now to see if I can hit 45.
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Ok so after a 30 mile drive through town I've crept up to 44.0... I guess I need to set a more ambitious goal: 50!