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Old 04-06-2013, 12:02 AM   #16
Uncle Scotty
Scooby Guru
 
Member#: 16200
Join Date: Mar 2002
Vehicle:
OK Houston
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OK....for 1100 miles, the mpg is up about 1.5mpg, total.
summer/winter fuel may account for some of this but that may or may not be the issue here....haddnt thought of that one before.

but there is most definitly something going on as it really does make the car drive much nicer on the highway quieter too
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