Quote:
Originally Posted by 1badgmc
9 mpg? Man. That's a fuel sipper! My dually will get 6 unloaded, downhill with a tailwind!  |
6?! Thats freaking sweet
Tune up is a great start, plugs, wires,cap,rotor,air filter and fuel fiter. Also an induction service, top engine cleaner, and a good fuel system cleaner can help, GM & BG are some of the best, not so big on auto zones weekly special.
Just my 2 cents