2009-04-08 255.9 8.997 $1.949 28.44 "Base Numbers, no real modifications yet. Nearly all City driving, approx 40 miles on the highway. Timing advanced another 4 degrees to help with low RPM driving. Tires inflated to 40psi (5psi above OE). Trunk loaded down with tools."
2009-05-05 333.3 11.79 $1.979 28.27 "Two fill-ups, one partial. Alignment done, plus new ball joints, both were followed by test drives not ""Hipermiler"" friendly. Aprox 50 miles highway, the rest City. Installation of new higher amp alternator (less engine drag) about 100 miles ago."
2009-05-22 298.3 9.16 $2.269 32.57 "128 miles mountain highway driving (40mpg?). Fixed a high idle problem. Modified route to and from work, fewer stop lights."
2009-06-07 187.1 6.101 $2.339 30.67 "ALL city driving, no further mods"
2009-06-07 105 2.419 $2.459 43.41 "ALL highway driving, no mods. Colorado ""foothill"" highways, lots of long hills, had to downshift several times to maintain minimum safe highway speeds."
2009-07-09 379.7 11.66 $2.349 32.56 "two fill ups (2.005 + 9.656). All city. New Sparkplugs (NGK BP6ET) and Air Filter half way through tank."
2009-07-26 253.2 7.53 $2.289 33.63 "MPG should be a little higher, my gas tank burped and put anywhere from a pt to a qt on the ground...

all city, a little harder driving due to traffic flow"
2009-08-01 207.8 5.668 $2.289 36.66 "a little bit of highway, not much... O2 sensor service reminder light came on (30k mile reminder on a 35k mile service item), I'll get around to replacing it some day LOL"
2009-08-15 382.7 10.99 $2.41 34.82 "(88091)
Two tanks (6.859+4.135)
Changed oil to Synthetic at 88068, Valvoline 10w-30 + 1 bottle of VDDP addative, noticed and immediate low rpm change (requires less throttle)."
2009-08-22 265.3 7.446 $2.419 35.63 "(88356)
90 miles non-Hypermiling Highway driving
Muffler broke off 2/3 of the way through the tank... replaced right before filling up."
2009-09-19 493.5 14.53 $2.299 33.96 "two tanks (9.50+5.03)
some extreme anti-hypermiling (10 miles @ 100+ MPH highway LOL). Tons of short trip driving. New higher flow muffler. Desperately need to replace O2 sensor."
2009-10-18 490.8 13.78 $2.259 35.62 "two fill ups: 5.01+8.77

replaced sparkplug wires, drove for a week with a severe miss (and likely detriment to my fuel economy)"
2010-01-13 939.4 28.32 $2.389 33.17 "Several small fill-ups:
6.10+5.12+7.49+9.61=28.32
O2 Sensor is overdue for changeout... awaiting on better weather. Many Many cold days, engine not fully warming up by the time I get to work, etc.
Rolling on studded snow tires, street tires in trunk... yay extra weight and super high rolling resistance!"