Thread: gas mileage
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Old 12-20-2011, 04:36 PM
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JF2004 JF2004 is offline
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I recently purchased a Superchips Cortex and put the 87 tune with mds off on my truck. If anything I have noticed the mpg to be slightly better with mds off than the 87 tune with it on. I hate how it constantly kicks on and off and it is alot better driving without mds. Just my opinion.
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