2011-06-11 301.1 13.4 22.47 "First run with STA-BIL ethanol treatment. Mileage went down a lot from previous 25 MPG. The engine has a lot more power now and I can drive in 5th gear at 45MPH, where 50 MPH was my old limit. This should help if I can remember to shift sooner."
2011-06-18 304.8 12.6 24.19 "This was with STAB-BIL ethanol treatment and a temporary grill block added. Still less than before mods."
2011-06-25 313.2 12.4 25.26 "STA-BIL treatment with no grill blockoff."
2011-06-30 281.4 10.3 27.32 "I just went back to work, so I am back to high speed long trips (45 miles each way). Maybe this is what I need to get back to 29 MPG. This is a base line with no Sta-bil and no grill block off. Fender well vents are still there but I don't think they work anyway."
2011-07-04 269.9 10.8 24.99 "Another base line. This on was with driving to work and driving on rough roads. I was told here that because most people don't see MPG loss with E10, that I don't, I guess they don't know the meaning of most. Also I was told that miles per gas tank is not a reliable method of measuring fuel mileage. I wonder why they have this here."
2011-07-07 309.5 11.1 27.88 "This run was with just the grill blocked off. The reason I have such short tanks is my gas gage doesn't work correctly and I have a small tank 15Gal. My round trip to work is 100 miles, so I only get another 75 miles, which means I would have to get gas where I don't want to."
2011-07-10 313 11.5 27.22 "Continued of the grill block test. This tank had 1/2 non interstate miles"
2011-07-14 329.9 12.15 27.15 "Continued on the front grill test. It looks like it helps a little, so I might make it permanent."
2011-07-18 244 9.54 25.58 "A bad tank because of traffic conditions"
2011-07-21 299.7 11.3 26.52 "First tank with the air intake silencer removed. Not too promising yet but it was in the middle of a heat wave."
2011-07-25 259.4 10.2 25.43 "End of the heat wave. Now either MPG will go back up or I need to find out whether the mod is making it worse or something is wrong with the car."
2011-07-28 298.8 10.68 27.98 "Looking good now that the temps are back to normal."
2011-08-01 312.8 12 26.07 "Continued air silencer removal."
2011-08-04 314.7 11.79 26.69 "Lots of rain. The grill block off came off. The air seems to try to come out and blow out ant temporary block after a while. This maybe why it runs slightly cooler with the block on."
2011-08-08 258.6 9.7 26.66 "Only the air silencer removed which gives more power but lower gas mileage it seems. I need to work on an internal grill block so it doesn't blow out."
2011-08-11 309.1 11.8 26.19 "I put in a more permanent grill block off. Some heavy rains this tank"
2011-08-15 302.8 11.4 26.56 "I started going to a new gas station. I reinstalled the intake silencer."
2011-08-15 319.2 11.7 27.28 ""
2011-08-22 343.9 12.8 26.87 ""
2011-08-25 327.4 12.6 25.98 ""
2011-08-30 326 11.9 27.39 "Morning fog and debris from the storm cut my coasting."
2011-09-02 299.2 11.1 26.95 ""
2011-09-06 230 9.03 25.47 "Last day of work, filled up at a cheep but far from home station."
2011-09-28 265.9 10.01 26.56 "working over time, I forgot to write down a few logs, then I wrote some down and lost them. Overtime is bad for mileage."
2011-10-17 342.9 13.4 25.59 ""
2011-10-23 325 12.52 25.96 ""
2011-11-10 326.3 13.1 24.91 "Laid off now. I got a scan gauge and will see if I can improve my mileage. Studded snows and some winter weight in."
2011-11-14 268.3 10.77 24.91 ""
2011-11-25 339.4 14 24.24 "Another test with ethanol treatment."
2011-12-04 287 11.8 24.32 "I installed a partial front belly pan during this tank."
2011-12-09 221.5 8.9 24.89 "During this tank I added a partial rear belly pan. I also added 150 pounds of winter weight and had one long drive in the snow."
2011-12-13 263.7 9.87 26.72 "No snow but cold temps. I am wondering if this was a short tank but my fuel gauge and scan gauge said less than 10 gallons used. Any way I am wondering if some strange prevents any mileage gains from showing up with mods for 2 tanks."
2011-12-17 289.4 12.4 23.34 "Yep it must have been a short fill, the 2 tanks combined is 24.8MPG."
2011-12-21 281.6 11.4 24.7 ""
2011-12-26 308.5 13 23.73 ""
2011-12-30 254.4 11 23.13 "Cold and snow seemed to have reduced MPG further."
2012-01-04 162.1 7.8 20.78 "Very cold and some snow."
2012-01-06 188.3 7.9 23.84 "warmer temps this time."
2012-01-09 294.6 11.8 24.97 "Warmer temps this tank."
2012-01-11 231.3 9.9 23.36 "Still warm for this time of year."
2012-01-16 217 10 21.7 "Very cold temps, snow and engine problems."
2012-01-19 258 11.11 23.22 ""
2012-01-25 250 11.05 22.62 ""
2012-01-30 294.9 12.3 23.98 ""
2012-02-02 264.6 11.1 23.84 ""
2012-02-06 252.3 11.06 22.81 ""
2012-02-10 223.2 10.5 21.26 "In this tank I replaced a sticking front calliper."
2012-02-20 378.3 15.6 24.25 "A partial added to a fill up. I found a bad hub this tank but it doesn't seem to be make a difference."
2012-02-23 223.1 9.3 23.99 "It started running bad and I found a bad spark plug wire during this tank."
2012-03-08 311.2 13.5 23.05 ""
2012-03-13 270 11.7 23.08 ""
2012-03-23 410.5 17 24.15 "I added 5 gals of gas that was getting old in this tank. I also took off the front belly pan during this tank. The weather was summer warm also."
2012-03-29 349.8 14 24.99 "No idea why it is so high. I drove with the front belly pan off the whole tank. Temps got colder at the same time. I guess the next tank will tell more."
2012-04-02 183.4 7.7 23.82 "This tank at a different gas station the scan gage said I had horrible MPG, most trips were 21 or less. The recent trip to a city showed horrible. I refilled early at my normal station and the return trip all up hill was higher than the way down. I have no idea but I will try to stay with Hess gas."
2012-04-06 364 13.7 26.57 "Temps still cold in the morning but milage seems to be way up now.Belly pan is mostly back on with extension over oil pan. I started Amsoil this tank but I think it was a short fill."
2012-04-11 328.6 13.3 24.71 ""
2012-04-16 429.5 15.8 27.18 "Studded snows were removed in this tank."
2012-04-20 379.3 14 27.09 ""
2012-04-23 196 8.1 24.2 ""
2012-04-26 294.2 11.1 26.5 ""
2012-04-30 305.3 11.5 26.55 "cold and rain and snow."
2012-05-03 292.2 10.5 27.83 ""
2012-08-27 205 8.24 24.88 "I finally got the car back from repairs after hitting a deer. It is back on the road with no mods. A couple of tanks then I will start adding them again. Looks like it won't until next year that I break 30MPG."
2012-09-05 241.2 10.2 23.65 "Continued baseline but I reinstalled the grill block as it helps cooling and AC."
2012-09-12 374.7 14.7 25.49 ""
2012-09-16 273.3 11 24.85 ""
2012-09-21 310.5 11.98 25.92 ""
2012-10-01 344.8 12.8 26.94 "Mileage is going up, and the engine has tons of power. It almost feels like when I was burning E0."
2012-10-05 333.8 12.3 27.14 ""
2012-10-10 299.1 11.88 25.18 "The first tank with the rear wing deleted."
2012-10-14 305.4 10.5 29.09 "This may have been a short fill, next week will tell but trip mileage has been up this whole tank."
2012-10-19 367 13.36 27.47 ""
2012-10-24 348.6 12.98 26.86 "Driving in rain for some of this tank."
2012-10-30 176.2 6.6 26.7 ""
2012-11-03 274.6 10.8 25.43 "First tank with new studded snows installed."
2012-11-09 271.1 11.3 23.99 ""
2012-11-15 331 12.75 25.96 ""
2012-11-21 297.5 11.8 25.21 ""
2012-11-29 330.6 13.19 25.06 ""
2012-12-05 300.1 11.6 25.87 ""
2012-12-11 329.8 13.3 24.8 "partial 4.97gal"
2012-12-16 474.6 18.27 25.98 "First tank on E0. this fill was with E10. There was a partial fill up."
2012-12-22 275 11.4 24.12 ""
2013-01-01 375.8 15.58 24.12 "Lots of snow driving. a partial fill up."
2013-01-05 287 12.15 23.62 "Driving in deep snow and cold this tank."
2013-01-12 260 10.6 24.53 "warmer and no snow this tank"
2013-01-20 325.5 14 23.25 ""
2013-01-26 285.7 12.24 23.34 "Bitter cold and windy"
2013-01-30 305.2 12.3 24.81 "warmer but rain , sleet and freezing rain. tank with partial E0."
2013-02-07 169.9 6.8 24.99 "Tank with E0, short fill because of a snow storm the next day."
2013-02-12 326 13.1 24.89 "Some driving in snow."
2013-02-18 237 9.37 25.29 ""
2013-02-20 303.9 11.4 26.66 "E0 over loaded driving slow through heavy snow 1/2 of this tank.

partial 241 9.1"
2013-02-26 558.6 22.74 24.56 "a partial and a fill up with E0. Previous fill up was with E10. some snow driving."
2013-03-04 302.7 11.98 25.27 "cold and snow."
2013-03-08 402.2 15.3 26.29 "A partial fill of E10 in this tank. Temps were warmer but 2 trips were in snow storms."
2013-03-14 305 11.98 25.46 ""
2013-03-15 87.6 3.55 24.68 "Short fill for a long trip this weekend. Still E0"
2013-03-20 316.6 12 26.38 "the last tank of E0 for a while until I figure if I am saving anything."
2013-03-21 275.3 10.53 26.14 "filled with E10, probably a E2.5 tank. Some snow and ice this tank."
2013-03-25 247.4 10.2 24.25 "Almost all E10. Long trips with warmer temps and no snow this tank."
2013-03-27 202.4 7.6 26.63 ""
2013-04-03 321.4 13 24.72 ""
2013-04-10 271.7 10.1 26.9 "Took off studded snows and winter weight during this tank."
2013-04-23 301.5 11.08 27.21 ""
2013-04-26 239.3 9.2 26.01 "This tank I reinstalled the rear wing."
2013-05-27 311.2 12.2 25.51 ""
2013-06-05 203.1 8.57 23.7 "Short fill because MPG went way down on the scan gauge I thought it might be a bad tank of gas. This tank I reinstalled the front belly pan."
2013-06-11 327.7 12.1 27.08 "Mixed tank, some long trips and my new drive to work which is slower than my max MPG speed. Yes the tank before must have been bad gas."
2013-06-19 322.4 12.4 26 "Normal trip to work with a heavily loaded trip. I removed the spoiler during this tank."
2013-07-02 289.3 11.08 26.11 ""
2013-07-08 348.3 12.7 27.43 ""
2013-07-19 441.3 16.8 26.27 "A partial and a fill up."
2013-07-28 365.9 13.5 27.1 "Hot temps, Some A/C use"
2013-08-05 337.4 12.38 27.25 "Hot temps, some A/C use."
2013-08-10 318 11.26 28.24 "Cooler temps and driving in rain this tank."
2013-08-18 367.1 13.4 27.4 "cooler temps with some rain."
2013-08-26 332.9 12.03 27.67 "cool for summer, dry this tank."
2013-09-06 327.3 11.9 27.5 "one trip in a heavy down pour."
2013-09-14 349.1 12.6 27.71 "hotter with some rain."
2013-09-23 361.8 13.7 26.41 "warmer but with some rain."
2013-09-28 316.1 11.9 26.56 ""
2013-10-09 327 11.7 27.95 ""
2013-10-20 340.5 12.68 26.85 "One trip in rain this tank. I had to take off the front belly pan."
2013-10-26 299.9 11.77 25.48 "I installed the studded snows this tank. Much colder."
2013-11-01 266.6 10.5 25.39 ""
2013-11-11 299.5 11.75 25.49 "Added weight during this tank."
2013-11-21 289 11.64 24.83 ""
2013-11-26 270 10.95 24.66 "colder with some snow driving."
2013-12-01 302 12.65 23.87 "colder and some snow driving"
2013-12-04 308.6 12.15 25.4 "A new drive to work, and start of a different station."
2013-12-09 284.8 11.25 25.32 ""
2013-12-16 228.2 9.3 24.54 "Another new trip to work and a new gas station again. This trip is a lot flatter."
2013-12-19 278.8 12.18 22.89 "Lots of deep snow driving this tank."
2013-12-24 305 12.2 25 "some snow driving"
2013-12-29 237.1 10.55 22.47 "Driving in snow and fully loaded this tank."
2014-01-02 199.9 8.6 23.24 "More snow driving."
2014-01-14 324.2 13.8 23.49 ""
2014-01-28 288.9 13.3 21.72 "Very cold for this tank."
2014-02-11 188 8.7 21.61 "cold and snow driving."
2014-02-20 243.6 10.7 22.77 "Snow driving and cold."
2014-03-03 345.1 14.15 24.39 "A partial fill up in between. Snow and cold. I reinstalled the forward of K member pan this tank but removed the under engine pan."
2014-03-08 136 5.1 26.67 "warmer and less snow."
2014-03-16 242.9 9.98 24.34 "warmer and less snow"
2014-03-23 279.4 10.75 25.99 "warmer and less snow."
2014-04-09 266.9 11.2 23.83 "I have no idea why this tank was so bad, warmer temps and I removed some wither weight."
2014-04-21 255.3 10.4 24.55 "warmer, but one long drive in heavy rain. This may not have been a complete fill up.During this tank I removed studded snow and installed new tires. I also reinstalled the front and under engine belly pans. I reinstalled the rear wing and attempted to convert it to a spoiler."
2014-05-14 141.6 6.62 21.39 "Short trips except for one long one in the rain."
2014-05-25 194.8 8.29 23.5 "This tank was filled with E0, making the mix E5. Most mods are removed."
2014-06-08 205.8 8.99 22.89 "This tank was with E0.All of modes were removed and I ran 2 autocross events on this tank."
2014-06-22 270.6 10.9 24.83 "Normal driving with E0 and all modes removed, and rear wing installed."
2014-07-28 271.7 10.95 24.81 ""
2014-08-26 281.9 11.72 24.05 "Long and short trips."
2014-09-18 323.1 13.47 23.99 "I removed the rear wing during this tank."
2014-11-04 240.3 11.45 20.99 "Installed studded snows this tank and filled up with E10."
2014-11-29 193.3 8.7 22.22 "Mostly short trips."
2014-12-10 264.3 10.4 25.41 "Long trips but in rain and snow."
2014-12-23 305 12.88 23.68 "longer trips."
2015-01-18 203.5 11 18.5 "Short trips and driving in snow. I reinstalled the front and under engine belly pan this tank."
2015-02-17 230.4 10.86 21.22 "Longer trips but in extrema cold and snow."
2015-03-08 224 9.96 22.49 "Longer trips but bitter cold and snow."
2015-03-22 236.1 10.3 22.92 "Snow and cold."
2015-05-10 235.5 12.3 19.15 "Last of the winter driving, from now on E0 fill ups for the summer."
2015-05-24 320.25 18.45 17.36 ""
2015-05-24 320.25 18.45 17.36 "Last 2 were a split of a partial fills with new wide tires and an autocross day."
2015-06-24 280 12.94 21.64 "Driving on wide tires and an autocross day."
2015-07-07 302.7 12.4 24.41 "long trips with skinny tires and E0."
2015-07-22 329.2 13.4 24.57 "Longer trips with E0"
2015-08-10 431.1 19.23 22.42 "2 partial fills to keep the tank near empty for 2 autocross days. Long trips and E0 fill."
2015-09-28 376 14 26.86 "Partial fill ups with E0.Mostly long trips."
2015-09-29 321 12.8 25.08 "Mostly long trips"
2015-10-29 321.9 12.8 25.15 "first tank this fall with E10."
2015-11-29 249.8 12.05 20.73 ""
2015-12-23 281.9 13.6 20.73 ""
2015-12-30 285.5 12.28 23.25 "Long and short trips. I added studded snows during this tank."
2016-01-18 235 10.8 21.76 ""
2016-02-18 259.2 11.7 22.15 ""
2016-07-16 282.9 13.7 20.65 "I lost tanks from a tank change and a battery change."
2016-11-08 279 13.357 20.89 ""
2016-11-27 161.6 8.3 19.47 "lots of short trips"