Velosprout

I tried the Champions. For me they fouled in about 25,000 miles and went back to the Motorcraft.

cruzomatic

I just picked up 8 of the SP-515's. Thanks for chiming in.

F150Torqued

Hey @cruzomatic - my fellow San Antonian - you made a good choice. There is lots of information out there to read and absorb. Posts here about my personal experiences and ideas with our particular plugs might, hopefully help. See https://www.f150forum.com/f4/5-4l-3v...6/#post3930018

https://www.f150forum.com/f4/5-4l-3v...6/#post3932639

and then a word of caution about my ideas

http://www.ford-trucks.com/forums/13...lp-piease.html

Good luck

1917-1911M

My experience still leads me to believe these Ford plugs are 35K to 40K mile plugs. The gap is 0.045" new. When I changed my original ones the gap was 0.095". I checked one of the replacements 30K miles later and it was already worn to 0.075" and the anti seize stuff was 99% gone. I'm also of the opinion they will either break or not and not much that you do will change that. My plugs for the most part were really clean after three cans of Sea Foam, cracking them just a bit, soaking with carbon remover. Working them back and forth. Four still broke.

My advice, get new Ford Plugs, some good anti seize, a Lisle tool, and have at it. If they break, let em break....the Lisle tool works very well. Then 40K later, change em again. M1911

cruzomatic

i like the idea of cleaning the spark plug hole with the T handle brush from HF. I'll drop by and pick those up and give them a go. Thanks.

originals

does anyone have the leslie removal tool for sale? and where does a person get the spark plug socket. any good websites that have good deals on the sp515 spark plugs, cops, boots, i want to replace it all. never been done on my 2007 f150 with 122k on it.

Yosef

I found the Lisle tool on Amazon for a good price and returned it because I didn't need it. A good long soak of PB Blaster and 2 cans of Sea Foam did the trick. I also got the Motorcraft plugs on Amazon for about $2 less per plug, than the parts store.

originals

thanks for the info yosef

doughboysigep

I was rather "excited" last night when I received a notice in the mail regarding the Ford Spark Plug Class Action Settlement!!!! Looks like the calls and complaints may have actually paid off and people in the class action suit might get anywhere from 25%-75% of their cost back. Anyone interested can go to www.fordsparkplugsettlement.com or call 844-881-0285.

resto72

I have a 2005 Expedition 5.4 3v . replaced plugs (I believe were from man. date 1/05) Truck has 176xxx miles , I was able to back the plugs out using a cap full of 5-20 oil (after cleaning out any corrosion around the spark plug base) about 1 full 180 turn on the spark plug,per spark plug. The entire spark plug replacement job took 3hrs. (Take your time removing the spark plugs and make sure to use spark plug anti seize when reinstalling the new plugs). Keep the work area clean so as no debris contaminate's the system. This job can be a success in little time if done without breaking the spark plugs.

Good Luck and remember regular maintenance will prevent issues no matter what motor you are working on !!!