I filled up my VX on the West side of Indianapolis, IN. It has the 10-gallon tank, but I topped it off several times until it took an extra 1.5 gallons or so. I drove it to Evansville, Newburgh, and back to Indy, then to work. I now have 408 miles on this tank, and it still shows that I have over 1/2 tank.
I am estimating that I achieved 70 mpg on the trip to Evansville and back. I drove at 55-65 mph in light traffic, drafting when I could. My tires are inflated to 45 psi and I have the A/C belt removed. I had the sunroof popped open and the driver's window open about 2-4 inches.
I am hoping to get 625-650 miles out of this tank. I will be in crappy Indianapolis traffic for the rest of the week, and I also have the race traffic to deal with (I live about 2 miles from the track). If I can keep on pace and get good mileage on the way to work and back for the rest of the week, I think I can do it.
Now I REALLY want the 13.5 gallon tank that Spectra Premium sells...
I would have had my best range too this weekend. Was traveling up to Toledo from Indy. I was going to try and make it all the way back home, but was using the GPS's "Least Fuel" setting that I knew was going to take me along some roads that have nothing on them and really did not want to even come close to risking it. Got my record tank mpg at 47.4 (and that is probably low because I did my normal 1-click gas setting, but did not believe it could be full so I clicked it again and it overflowed a bit and was higher than a "normal" fillup).
So good luck to you. Think you are going to have a record tank MPG in addition to a range record?
I am betting that I will not beat my best-ever Tank-average MPG of 66.6 mpg. For that trip, I filled up at 1/2 tank because I thought the gauge may have broken. Although I was probably getting over 70 mpg for the highway trips, now I will be stuck driving in the city during race week. I will probably still exceed 60 mpg, though.
Then you can have the Honda equivalent to the old Nash 600/Rambler American, claimed 30 mpg, 20 gallon tank. I never got that out of mine, but it was nice to drive from LA to Vegas without worrying about refueling!
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