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Old 07-22-2009, 12:59 PM   #31 (permalink)
sawtooth
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Well first tank of fuel has been burned. Mileage was better than before but not as good as i hoped. The computer said 19.9 but I hand calculated at 17.6mpg. Now that being said I normally get 15 (hand calculated) on this particular trip with the way I drove it so i'm looking at a 2.5mpg improvment. Not terrible but the computer kinda got my hopes up. Normally the computer reads around 1mpg too high but now its a little over 2 high. Its weird that the new programming changed this. Does anyone know why? I'm hoping that the next tank will be better once the computer has learned and everything is settled in. By the way that number comes from 85% hwy, 15%city. Hwy running 70mph. I drove this run with a light foot with only 1 short acceleration from the on ramp to get on the hwy. Power is amazing as when I did this the rear fought hard to stay connected to the payment. Its like the truck lost 2000lbs of weight.

By the way I'll be driving this weekend about 800 miles so will post back with more info.
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