dipschnit

I also ran seafoam through my last tank before my change. I only broke one plug on my change out. Im not saying seafoam helped, but i run it about once every month or so anyway. For the most part they were fairly easy to remove, just worked them back and forth. Except for the lst one, i got impatient so the broken plug was my fault. I got my lisle tool and the plug socket for 75 on amazon prior to the change out. Really wasnt bad at all to change out considering the horror stories ive heard. But i wasnt going to pay the dealer 500 to change them

VTX1800N1

Actually, no. The plugs are worn out at 60K. Gaps are increasing rapidly. When Ford replaces the plugs, they have been redesigned and nickel anti seize is used to eliminate the carbon build up issue. The new plugs are still recommended for 60K replacement.

dipschnit

I used anti sieze on mine as well..i was told to only use it on the shaft though, not on threads

ak_cowboy

Mine is an 07 with 106k. Gotts, Exhaust and a tuner. figured by hand too.

VTX1800N1

That is correct. Although, a very little on the threads doesn't hurt a thing. You are going to get some on the threads anyway after you coat the lower part of the plug and then insert it into the head. There's no way to avoid that.

Prof

I recently changed out plugs and COPS, used Motorcraft platinum plugs - went a week with no problems, then started getting a weird surging at highway speed, plugged in OBDII - showed misfire on 6. SO I changed out the COP with a different one - and it still misfired, changed out the plug with a new one, and the problem went away. This meant to me that the *plug* was the culprit - and I just didn't think that could happen..I mean, what would make a plug fail? This was a brand new plug...less than two weeks old at that point?

JCooper

Good info. Thanks.

JCooper

Then your getting some good mpgs. I figured mine after only 80 miles or so. I'll keep checking it. Hopefully it gets even better. Keep getting snow here though, so my 4 wheel drive is messing up my mpgs every week.

ak_cowboy

x2. Keep an eye on the plugs if you start getting any misfire. Here's my #3 plug 2 months after replacing all of them. motorcraft Sp-515s



Thanks, I completely understand the snow thing

Prof

Holy S*&^, what would cause THAT? I didn't change the original plugs in my 2005 SCREW until a few months ago, and they were bad but no where NEAR that messed up; there is something else going on there, don't you think?