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Originally Posted by grunkster
Looking for any reports on increased/decreased mileage figures from doing this?? I'm getting a consistant 12 all around driving...8K miles on an 04'KC/BT/4*4...haven't tried anything yet...burning 87octane fuel.
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Don't complain because I was getting a consistent 9mpg with my LE CC 4X4. I just had the dealer re-flashed my computer about 2 wks ago., and have recently completed two long distance trips which yielded 15.5 MPG highway, and 12.5 stop and go to include my 1.5 mile to work 7 days a week. Trust me I was really close to trading it in, and kinda still considering doing it. I only use 87. During my test after reflashing I filled up once with premium just for the fun of it, and I had the money to waste then (taxes
).