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for a fuel cost update, here in appalachia ( 2nd poorest area in the US ) gasoline is 3.55/gal reg and 3.75/gal premium. best way to get the best fuel performance is obviously dont drive or keep your foot out of the accelerator. however, tune ups ( new plugs and wires ) on a regular basis ( i change plugs every year ) and proper tire inflation will do wonders as will a good alignment. the only reason i can think a turbonator would work is since the engine is getting less air ( blockage in the airway, small but still a constriction ) the O2 sensor will turn down the fuel used to match the air flow.. thus less fuel used and less power given.
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