i know this is a fuel econ forum but as a certified mechanic youre asking for a blowout. theres gonna have to be a compromise between safety and fuel economy if you value your life and those around you.
i drive a jeep liberty and have already increased the mpg 3mpg city and 2mpg highway just by doing my own little bout of mods. in no way would i ever change the psi of my tires to other than what the factory recommends
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