|
Ford claims a "double digit percentage increase" over the 6.4, an assumption would be that, that translates to 10% to 17% better. Expect the cost of urea/DEF to eat up the savings derived from a 2%-5% increase in fuel mileage.
__________________
2004 E-450 6.0 139,000 miles
7,500 mile, 15 quart oil changes, 5W-40 Rotella.
UOAs consist of checking for metal on drain plug magnet. All stock, no mods. Dyed fuel with no additives. Never been reflashed. 
Total parts replaced;
one EGR valve.
|
