Ford 7.3 chipped mileage
I have a '99 F-350 dually, 4.10 rear, 4x2, that 3 years old to us. It has a Diablo sports chip in it that is not self programmable. Owner said it was tuned for towing and the chip is so old that Diabl...
Forum Discussion
majorgator wrote:Rockrash wrote:
My 250 7.3 6spd gets 20 mpg unloaded consistently on paper. 14 mpg towing. I recently started using additive mixing 50\50 and now get 30+mpg on diesel empty, haven't towed with it yet. I know, you say I'm full of poo with those numbers, but I can prove it any day of the week.
Do tell...how in the heck are you accomplishing that? I'll reserve my full level of doubt until I hear from you. What's your gear ratio? Are you running dyed fuel or ULSD? 2WD or 4WD? Crew cab, standard cab, short bed, long bed...???
Long bed, 2wd ex cab 6spd. The secret is veggie oil. I get used oil from local choke-n-puke, filter, mix, drive.
