We have 4,650 miles on the 7.3L with about 75% highway miles and 55% remaining oil life
This is the same oil/filter that came on the truck, it has never been changed
How many people change oil when you oil life is at 5% or less Vs miles
What oil& filter do u use??
This is the same oil/filter that came on the truck, it has never been changed
How many people change oil when you oil life is at 5% or less Vs miles
What oil& filter do u use??