for all that it is worth, i've noticed a drastic impovement in mpg when i use supreme fuel!

 

Here's my summary, to date:

Total Miles: 2808
Total Gallons: 98.2
Overall MPG: 28.6

My worst tank was this weekend running the Dragon at Deal's Gap; 24.2 MPG
My best tank was this weekend on the I-75 going to Deal's Gap; 34.0 MPG

 

>>I have found that anything over 70MPH cuts my MPG rather quickly. For that reason plus the majority of the trip was done on roads with posted speeds of 65MPH so I kept it there.
>>
>>I agree with your thinking about highway speeds and mpg. I can't get 38.8mpg at 80 MPH with my Cooper and don't think the BMW/EPA milage estimates suggest that I can.

Yeah the Cooper is not very aerodynamic so speeds much over 70 MPH are going to kill your MPG. We don't have a really deep overdrive gear either, not that we have to torque to take advantage of a gear like that but still, so that hurts us too.

My friends Vette gets in the mid 30's as long as he does not rag on it but he has 350 ft-lbs of torque to take advantage of that 50 percent overdrive 6th gear.

 

>>Here's my summary, to date:
>>
>>Total Miles: 2808
>>Total Gallons: 98.2
>>Overall MPG: 28.6
>>
>>My worst tank was this weekend running the Dragon at Deal's Gap; 24.2 MPG
>>My best tank was this weekend on the I-75 going to Deal's Gap; 34.0 MPG

Ryan, for those of us who don't know - are these numbers for an S?
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Borla, Moss intake, Magnecor