Why did my Dad's 05 expy beat my 05 FX4

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Nov 15, 2007 | 09:08 AM
  #16  
That's what sucks though. His truck is bone stock on 87 octane. If I get a programmer or something, I would have to run the 91 gas, plus I don't want to spend the money right now.

In the last few months, I've been lucky if I get 11 mpg around town. I don't keep my foot in it all of the time, and it is not showing any codes. What could be causing it to be that bad? I know it's a big heavy truck, but c'mon!!! Could these two things be related?
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Nov 15, 2007 | 07:49 PM
  #17  
Sounds like you are the perfect candidate for the ROUSH SUPERCHARGER!......
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