My husband asked me to see if I could find out any info on a Ford F350 XLT 1999 4X4.iT IS A 7.3 Diesel Auto.It's also a Dully,Long Box.He is a Dodge Mechanic and in his Third year Heavy Duty Mechanic,and was told that this engine would only get about 10 mile's to the gal.He was also told that another guy has one and he gets 26 miles to the Gal.Would anyone have any imput for us.Thank you for your time....
New Comer.
Tina Wyatt
New Comer.
Tina Wyatt