Motorcraft Plugs
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Tuned
Joined: Jun 2004
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Motorcraft Plugs
I can't find them in the local chain stores. They all carry Autolite. Is this OK or am I going to submit and go to the Ford dealer? I haven't checked Wally Mart since to me it's almost as bad as the dealer.
Thanks
Thanks
Posting Guru
Joined: May 2003
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I will only buy original Motorcraft plugs the exact number I took out. Spark plugs commonly last 100k miles or more, the savings from buying another brand is basicly nothing. Bite the bullet and go to the dealer.
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
There is a zinc-plated plug, with a slightly different number that you SHOULD use instead of the original OEM plug.
I've used Autolites in my 4.6's, but used Motorcrafts in my V10.
I've used Autolites in my 4.6's, but used Motorcrafts in my V10.
Guest
Joined: Nov 2004
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From: north west new jersey
motorcraft and autolight are made by the very same company. just the box and number are changed. just get the correct one .not any of the fancy you don't need them types. stock tips and heat range.
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Tuned
Joined: Jun 2004
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Thats what I did. I started messing around under the hood and ended up changing plugs and boots. All the plugs were kinda whitish, like a little ash deposit. Gaps were about .058 -.060. No sign of oil burning but I'm using about 1 qt. every 3000 mi. Anyway, it ended up taking about 3 hours and I think I could cut that time in half since I found the short-cuts and figured out which tools worked for me. I'm at about 76,500 miles with about 20,000 miles of towing a 27' Prowler and a 32' Wells Cargo full of band equipment.
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Joined: Nov 2004
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From: north west new jersey
personally i feel 60k is the max on any plug now made. or even sooner if you start feeling a mild miss at idle.
i did my 05's already at 23k mostly due to the amount of dyno time it had on it playing games to see what could be found in extra power. it had a very mild missfire thats gone with new plugs. odd looking mothers.they look more like a glow plug then a spark plug
3 valve motor needs the special 9/16 spark plug socket to get them out and back in.
i did my 05's already at 23k mostly due to the amount of dyno time it had on it playing games to see what could be found in extra power. it had a very mild missfire thats gone with new plugs. odd looking mothers.they look more like a glow plug then a spark plug
3 valve motor needs the special 9/16 spark plug socket to get them out and back in.
Posting Guru
Joined: Jun 2005
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From: central Louisiana
Originally Posted by captchas
motorcraft and autolight are made by the very same company. just the box and number are changed. just get the correct one .not any of the fancy you don't need them types. stock tips and heat range.
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Posting Guru
Joined: Jul 2006
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From: New York
My original plugs looked just the same too, whitish with no hint of oil or gas. Comparing it to useage charts, it is a normal looking plug with those miles. I changed to Autolite Iridiums. No problems at all.
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Guest
Joined: Nov 2004
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From: north west new jersey
for the special 3 valve plug it was more like 3 bucks a plug different in price from ford. i know my truck was abused big time on the dyno so when i started getting the mild miss fire i knew what i personally had caused to my motor and that it was time. sure enough new plugs and boots the miss is gone. just that special 9/16 spark plug socket boy did it cost me as only the local snap on dealer had one. ouch!!!! luckily it's for all 3 valve ford motors so it will get some more useage from all the other 3 v 4.6' and 5.4's around my home. this pencil plug looks crazy the tapered seat is at the very bottom like a glow plug with the thread over the top of the seat.
it's crazy that we can go to walley world buy the same part at such a savings. just look at a fl820s $3.20 at walley at $6.95 at the dealer
it's crazy that we can go to walley world buy the same part at such a savings. just look at a fl820s $3.20 at walley at $6.95 at the dealer
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
For the heck of it, I looked around for "copper vs platinum plugs" and found:
http://www.aa1car.com/library/2002/ic120214.htm
Part of which is:
BEYOND PLATINUM
Plug manufacturers are also using other exotic materials in spark plug electrodes to extend plug life. Bosch uses a nickel-yttrium alloy for the side electrodes in its "Platinum+4" and "Platinum2" spark plugs. In Europe, Bosch has a new plug that uses yttrium for both the center and ground electrodes. For years, Champion manufactured a premium plug with a gold-palladium center electrode and copper-filled side electrode. That plug has now been replaced by one with a platinum-tipped center electrode. Autolite uses a chromium-nickel alloy for the ground electrode with its platinum-tipped center electrode plug, while ACDelco uses a silver-nickel alloy side electrode with its platinum-tipped plugs. NGK and Denso have both introduced premium spark plugs with iridium alloy electrodes.
Can it really be possible that the Autolite (Motorcraft) plugs are that different from the rest? Appears so. But what, if any, real difference is there in resistance and durability?
http://www.aa1car.com/library/2002/ic120214.htm
Part of which is:
BEYOND PLATINUM
Plug manufacturers are also using other exotic materials in spark plug electrodes to extend plug life. Bosch uses a nickel-yttrium alloy for the side electrodes in its "Platinum+4" and "Platinum2" spark plugs. In Europe, Bosch has a new plug that uses yttrium for both the center and ground electrodes. For years, Champion manufactured a premium plug with a gold-palladium center electrode and copper-filled side electrode. That plug has now been replaced by one with a platinum-tipped center electrode. Autolite uses a chromium-nickel alloy for the ground electrode with its platinum-tipped center electrode plug, while ACDelco uses a silver-nickel alloy side electrode with its platinum-tipped plugs. NGK and Denso have both introduced premium spark plugs with iridium alloy electrodes.
Can it really be possible that the Autolite (Motorcraft) plugs are that different from the rest? Appears so. But what, if any, real difference is there in resistance and durability?
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