Posted 2/12/2019 19:49 (#7316887 - in reply to #7316772) Subject: RE: Ford Super Duty Diesel vs. Gas
NC KS
Blowing sparkplugs out ceased to be a problem in 03-04 roughly. All sparkplug issues were solved 1/2 way through 08. Can be solved when replacing plugs in 04-08 (replace with 1 piece plug).