Just got an 08 f150 with 62k on it. I wanted to start a relationship with my local dealer. Called for an appt. oil change, fluid check etc. He recommends i get the ford 60k service w/the spark plug change at 550. bucks. I've read about some problems with plugs fusing on the 5.4 engines so don't think he was triing to take advantage or should i. (There are no records that the plugs were changed) Anybody have any thoughts on this?