A recent shot of my truck at the Bonneville Salt Flats during Speed Week this year:
Drove from Wichita, KS, to Bonneville and then to Roswell, NM, before returning home. Averaged anywhere from 15 to 17 mpg. The only thing I did to it while on the road was change to a colder set of spark plugs thanks to some intermittent detonation and replaced the fuel selector valve while chasing a vapor lock issue I'm having.