e3 plugs
Posting Guru
Joined: Apr 2002
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From: Back where I started...
What motor do you have? Know nothing about these plugs first hand, but my experience has been that the 5.4 3v (common motor in this era) doesn't like much other than Motorcrafts...and it doesn't like some of the earlier versions of that....
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Joined: Aug 2002
Posts: 6,097
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From: Southern California
They are almost identical to the MC plugs...when you compare them to the MC's...I would bet they mfg or license Ford to mfg their plugs for them.
Senior User
Joined: Aug 2008
Posts: 298
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From: Vicksburg, MS
I've been running them for about 3 months with no problems but they may not last as long as a Motorcraft or Champion plug. Mileage is not improved but with ethanol I don't expect very good. I used champion #7989 for about 78,000 miles until one started missing. E3's were on sale at O'riellys so I gave them a try. If Motorcraft didn't break I would go with them. They do seem to last longer and better mileage too.
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FordTruckFan01
Modular V8 (4.6L, 5.4L)
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Jun 21, 2017 10:00 AM
