Spark Plugs
best way to go with what? as far a plugs go the oem ones sound like the best around here. i have a 5.2 and thats what my truck likes. not to sure about the 4.7 tho. you can do a search on this site and im sure you will find somthin.
I installed the OEM Champion plugs in my 4.7. I have always had the thought of always using OEM parts where you can.I also know that other people might have other ideas on this,but the Factory parts have been tested in these trucks and that is what I like to use
I have the same truck, a quad 01 4.7. I tried some of the fancy new plugs with disateress results. Finally used the champion copper and the truck runs like new.
So yes stick with oem plugs.
So yes stick with oem plugs.
i cant believe noone said anything about auto lites or ngks i was under the impression these were the best two
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"Best" is a relative term. For example, I only use NKG platinums in my wife's Jetta, but would never use them in my Durango. Unless you have significant internal mods, should stick with OEM. On a side note, I will say that some people have good luck with iridium plugs on the 4.7 motors. I'm not certain about the 3.9, 5.2 or5.9 though. Nonetheless, you'll still need to replace them as often.
i run the NGK's just like the 2 dollar each ones and have had no problems with them, gapped at .040. and N1CK next time do a search on this, im sure the "which spark plug to use" has been a thread probably a thousand times. im just sayin


