B B bossman Sep 7, 2010 hi all im running a 4.6 p38 and im thinking of putting gas on it ! but dont know what would be the best for mpg ! gas kit or get some remapping work done ? thank for any help on this
hi all im running a 4.6 p38 and im thinking of putting gas on it ! but dont know what would be the best for mpg ! gas kit or get some remapping work done ? thank for any help on this