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...???
Well you read it on the internet so its got to be true, but that post is tough to believe. Never have I read about a 7.3 getting that mileage, and I used to hang out on ford diesel forums a lot, and have read many many mileage threads . Must be a special calculator being used there :)
