superchips and octane
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Joined: Oct 2007
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From: montana
superchips and octane
I had my 00 f250 on the 87 setting and my lie- o- meter would be saying 15 to 16 mpg running 85.5 @ 65. I switched it to high performance and it would not get over 14 with 91 in it @65, both on level ground. You guys that are getting better mpgs with the superchip, which of the programs get you the best milage and do you always use the highest octane? I have run the truck on 85.5, 88, and 91. 91 is the highest we have here, and the truck will not ping, ever. I like the extra power but when the gas is more and it gets worse milage, its hard to justify. Anybody run the superchip on low or mig grade stuff?
