Forum Discussion
n7bsn
Jun 17, 2013Explorer
Follow the manual... I have since my first V10 in 1999. I tried higher octane and could not detect any difference in performance or milage
In fact follow on maintenance also, Ford designed the thing and know it better then 99.999% of all backyard gearheads.
In fact follow on maintenance also, Ford designed the thing and know it better then 99.999% of all backyard gearheads.
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