gms mileage miser any good?
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Joined: Nov 2006
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gms mileage miser any good?
Hello everybody. Has anyone tried the Mileage Miser chip by Granatelli Motorsports? Is it true abot the 3 mpg gain and the increase in torque for towing? what are the pros and cons of this chip? I don't see alot of topics about gms on this forum. any advice is appreciated.
