2012-05-13 211.7 8.5 $4.45 24.91 "half city half highway, daytime, windows cracked, around 70-75mph on highway. Still experiencing rough idle, vac leak or electrical gremlin."
2012-05-25 297.4 10.287 $4.39 28.91 "About 50/50 Hwy and City. 10% of the hwy had A/C on, at least 20% of hwy had traffic (A/C 10% overlapped with and traffic)"
2012-06-15 343.15 11.45 $4.099 29.97 "Another 60/40 City/Hwy run. Stuck in stop and go traffic for a solid hour and a half total. Pretty frustrated by this, as I'm convinced I was on target to break 31 overall. SOON..."
2012-06-21 92.15 2.99 $3.859 30.82 "The usual mix, 50/50"
2012-06-22 112.81 3.35 $3.859 33.67 "Drove to SD at night, lights up, mirrors folded in.
Stayed between 55 and 65, closer to 62 almost all the way."
2012-06-22 129.45 3.28 $3.939 39.47 "Drove back from SD, daytime, kept it to under 60, passenger mirror folded in, some pulse and glide, followed a truck for ~40 miles nice and slow (around 55)"
2012-07-18 324.28 10.7 $3.79 30.31 "55/45 city / hwy"
2012-07-23 351.2 10.413 $3.899 33.73 "Drove to San Diego for the weekend. Drover around town, then back up to L.A. - Ended up going closer to 60-65 on the way back; faster than normal, but the time mattered to me."
2012-08-12 313.31 10.21 $4.159 30.69 "Standard mix of driving"
2012-08-29 304.4 10.94 $4.219 27.82 ""
2012-09-18 309.9 10.51 $4.119 29.49 ""
2012-10-09 323.4 10.42 $4.69 31.04 "Found out I've been downward adjusting my mileage by ~3% without cause! Verified speedo calibration against a gps speedo app, and found it to be dead on. Also verified distance traveled, delta over 25 miles was ~1/10 of a mile, negligible.

The normal 50/50 mix of driving."
2012-11-04 290.35 10.031 $4.059 28.95 "Same 50/50 mix as usual...
Used a GPS to test my speedo, found out it's actually almost dead on, so I've been factoring in a 3% difference for nothing."
2012-11-15 272.64 9.403 $3.799 29 "Normal driving mix"
2012-12-13 311.8 11.47 $3.579 27.18 ""
2013-01-17 294.15 10.795 $3.719 27.25 "The usual drive, 65% city, 35% highway"
2013-02-04 297.6 10.761 $4.059 27.66 ""
2013-02-09 293.9 9.049 $4.139 32.48 "Drive to and from SD, with an extra 40 miles of city driving. Speed around 65"
2013-02-10 295.2 8.44 $4.159 34.98 "To SD and back, all freeway, mostly 70-75, a couple small traffic instances."
2013-02-26 279.3 10.381 $4.299 26.9 "Tried increasing highway speed to 65-75mph to see how much this impacts overall mileage. Not much!"
2013-03-14 292.4 10.691 $4.199 27.35 ""
2013-03-31 294.1 10.578 $4.119 27.8 ""
2013-04-16 256.1 9.942 $3.979 25.76 "Bad tank for some reason - I think EOC is actually hurting my mileage, the car seems a little chuggy when I start it back up (clutch pop)..."
2013-05-03 309.5 10.31 $3.879 30.02 "Pulse and glide for the win!!!!"
2013-05-28 323.4 11.205 $3.999 28.86 "more pulse and glide, switched halfway to less aggressive acceleration - 2100/2500/2x+ glide"
2013-06-13 283.1 9.58 $3.999 29.55 "More P&G with low fwy speed."
2013-06-27 272.4 8.94 $4.079 30.47 "Freeway driving at 60-62, pulse and glide in town."
2013-07-16 296.1 10.191 $4.059 29.06 ""
2013-07-25 278.9 9.108 $3.999 30.62 ""
2013-08-08 262.1 9.773 $3.899 26.82 "More city than fwy, airport trips (2), visiting a friend"
2013-08-20 305.1 9.382 $3.799 32.52 "more highway, drove to the valley to hang with friends."
2013-09-05 278.85 9.612 $3.839 29.01 ""
2013-09-16 242.8 8.35 $4.159 29.08 "Gassing up before the trip to Sebastopol"
2013-09-16 197.8 5.695 34.73 "first 200 miles of the drive to norcal"
2013-09-23 338.8 11.339 $3.999 29.88 "Last half of the drive to Norcal, some driving around town, to and from Larkspur ferry terminal. A/C on for a good deal of the drive."
2013-09-30 286.25 9.035 $3.959 31.68 ""
2013-10-05 267.7 8.785 $3.899 30.47 ""
2013-10-25 289.4 10.109 $3.759 28.63 ""
2013-12-02 243.6 10.251 $3.499 23.76 "New, short drive to work. Car doesn't even get to warm up. Up a big hill, with some traffic. 5 mile total trip each way."
2013-12-30 227 9.873 $3.679 22.99 "Driving to and from the ferry - short drive, cold the whole way."
2014-07-03 276.5 10.79 $4.159 25.63 ""
2014-08-02 300.25 10.13 $3.99 29.64 "Found a vacuum line problem, fixed it. Also cleaned out the intake manifold. Plenty of debris in there."
2014-09-27 279.3 10.294 $3.799 27.13 "First tank since vac line fix - I'm suspicious that the line ""repaired"" was just put back on, and is loose again, starting to see wobbly idle on decel in N"
2015-04-05 219.1 8.901 $3.259 24.62 ""
2015-11-08 284.1 10.596 $2.799 26.81 ""
2017-06-27 319.2 11.24 $3.099 28.4 ""
2017-07-10 322.3 11.3 $2.959 28.52 "Regular driving, not particularly aggressive, nor defensive.

Just repaired a leaky (torn) fuel return line, this was likely hurting mpg. Also drained and refilled trans with fresh redline trans fluid. car seems to accelerate more smoothly. probably my imagination."
2017-07-25 289.1 10.96 $2.99 26.38 ""
2017-08-29 297 10.919 $3.159 27.2 ""
2017-10-03 273.5 9.838 $3.099 27.8 ""
2017-11-07 302.7 12.035 $3.299 25.15 "bubble in t-stat, made it look like it was overheating. Pulled over, played with coolant, burped system, ran for 10-15 and revved to burp."
2018-03-15 215.3 10.47 $3.559 20.56 "First full fill up after headgasket job, and various other work, including replacing IACV, AAC, O2 sensor, Injectors, all injector orings, fuel rail (bent), and MAF filter (s14 airbox creating turbulence and incorrect reading. Warming car up in mornings, with swimming now doing extra trip in the morning before work (traffic).
Also removed under panel, and installed wipers with giant frames - both increase turbulence/drag"
2018-03-20 292.032 10.428 $3.559 28 "Trip to Sac and back, along with normal street/commute."
2018-04-01 224.7 10.59 $3.699 21.22 ""
2018-04-19 240.03 10.224 $3.699 23.48 "some play with timing again, probably set to 20* now, but dizzy is likely 1 tooth off, based on position of cap.

Installed AEM intake and cone filter as well.

Confirmed J30 dif is 4% taller gearing, theoretically same impact on speed/mileage?"
2018-05-05 249.808 9.871 $3.999 25.31 "Normal driving, included a longer drive (about 60 highway miles)"
2018-05-22 220.48 9.6 $3.999 22.97 "probably a little more aggressive than i should drive. it sounds so nice though with the intake!"
2018-06-12 224.64 9.284 $3.999 24.2 "Normal driving to work"
2018-06-30 236.08 11.037 $3.999 21.39 "More aggressive driving in general, oil needed to be changed. Also recharged AC (10 min of idling?)"
2018-07-23 262.08 11.005 $3.899 23.81 "Regular driving, a bit more aggressive lately."
2018-08-07 261.33 10.521 $3.899 24.84 "Normal driving, 100 mile trip to east bay for bumper cover. A/C use at several points since recharge."
2018-08-31 272.48 11.1 $3.899 24.55 "Normal driving, also airport trip"
2018-10-13 242.3 11.05 $3.899 21.93 "Mostly driving to and from work."
2018-11-05 254.1 10.267 $3.859 24.75 "back and forth to new house, hwy miles!"
2018-11-12 284.65 10.73 $3.699 26.53 "more trips to the house, trip to Ikea"
2018-11-26 255.94 10.714 $3.659 23.89 ""
2018-12-06 251.368 9.933 $3.479 25.31 ""
2018-12-17 237.432 10.033 $3.459 23.67 "first fill up after move, and novato traffic. Didn't drive s13 for 3 days of the week due to rain/leak and letting the car dry out in the garage."
2018-12-23 167.44 5.26 $3.499 31.83 "First third of trip from Novato to San Diego for Xmas"
2018-12-23 150.8 5.114 $3.459 29.49 "Second portion of drive to SD"
2018-12-24 217.36 6.553 $3.439 33.17 "Last leg of SD trip, filled after arriving. Included grapevine (up and down)"
2018-12-28 149.76 4.64 $3.599 32.28 "Grapevine to Panoche Rd - traffic, some heavy throttle passing"
2018-12-28 183 7.259 25.21 "First leg of the drive from SD to Grapevine. LA had heavy traffic, took ~4.5 hrs"
2019-01-06 299.52 10.859 $3.069 27.58 "Safeway fillup. Includes last third of drive (from Panoche rd to Novato). Around town, to work, etc."
2019-01-22 238.16 11.117 $3.359 21.42 "Odometer might be misbehaving. Also, been cold, warming up car for 5 mins in the morning."
2019-02-20 218.4 10.253 $3.399 21.3 "Odometer not convincing me that it's working... sticking or missing some miles (last tank captured ~80 miles in two weeks, but used 10 gallons)."
2019-03-11 188.24 10.754 $3.399 17.5 "Still not convinced, though I did have to jump the s14 several times (battery failure)"
2019-04-29 231.92 11.011 $4.099 21.06 ""
2019-05-16 247.52 10.047 $4.159 24.64 ""
2019-06-14 262.08 11.112 $3.759 23.59 ""
2019-06-25 275.6 10.238 $3.699 26.92 ""
2019-07-09 276.64 10.307 $3.759 26.84 ""
2019-07-31 278.72 11.201 $3.759 24.88 ""
2019-08-24 287.04 11.44 $3.599 25.09 ""