Hey guys I just got a 2003 ford f 150 with the 5.4 motor. The truck has a factory set up to run lp gas or gasoline, the fellow I got it from had drove it on gasoline only for the last 40 thousand miles its the seven lug 7700 series truck, my qustion I am getting only about 10 miles per gallion on gas what can I due to improve my mileage, how about cold air intakes, aftermarket mufflers will that help, also are their any performance chips for this truck with the above moter set up on the lp and gas, if they are do they really improve performance and mileage on a gas moter. I would like to find a good mech to also check out the lp system and if not to expense get to truck to operate on it some if getting it going is on lp gase is to expense I will more than likely take system off what can yal tell me and whats yalls advice
have the same problem?
Monday, June 11th, 2012 AT 10:10 PM