for the record. average over the last 3500miles 27.8 and I drive pretty quick most the time. Hard/round town trip never less than 22mpg and driving at best 48mpg!! I had this last week on the motorway while driving through traffic at steady 55ish. Stayed around that mark for miles. Does bout 39-40mpg in 5th at 30 mph. I'm sure this is incorrect. Spec of my car. 97 Highline, chipped, decat, BMC filter, Ashley 6-2-1 manifold, 15" BBS's, pretty much always use shell v-power. seems to give the best Mpg. Have certainly noticed that the "lame" driving speed mpg has gone through the roof since the d