My new 2004 6.0L is getting between 16.6 &17.6 mpg it has 1650mi. on it talked with a friend today and he uses RACOR diesel fuel conditioner in his 97 7.3 psd and gets 50 miles more on a tank of fuel consistantly !!! I am wondering if anyone else out there is using this product with good results ?
I drive about 2000 mi. a month to work so this could possibly be a big fuel savings over the course of a year !! He also said the dealer that our trucks came from recommended it !Please let me know what your thoughts are!!!!

 

I have never used that brand, however I do use, year round, Standyne Performance Fomula. It will help many things including MPG. Someone here in FTE must have or is using it now.