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  #1  
Old 10-11-2010, 01:05 PM
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Question Did I not get the memo about spark plugs?

I remember that the first time I replaced the spark plugs I breathed a small sigh of relief. If I had to get 16 of the suckers, it was a good thing they were less than $2 a pop (Champion #RE14MCC4).
I just got back from the parts store. I asked for a set of plugs, he checks the computer, walks back and hands me 16 plugs in very pretty boxes. I didn't think too much about it until he told me my total was 120 some odd dollars! Come to find out the listing for the 5.7 is now Champion Double Platinum plugs (Champion #7570) that retail for $6.96 each!
So, did I miss something? Are all of you guys running the new double platinum plugs? $40 for plugs is one thing... $120 is something else entirely.

I mean, the stock plugs seem to work just fine. Is there some increased fuel efficiency or horsepower payoff that would justify the difference?
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Old 10-11-2010, 01:16 PM
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Do NOT use platinum plugs in your Hemi. There are numerous cases of them causing ignition coils to melt.
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Old 10-11-2010, 01:25 PM
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Glad I was too broke to find that out the hard way! Why in the hell are the platinum plugs now recommended? Is it some marketing scam to pad pockets?
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Old 10-11-2010, 01:50 PM
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Who is recommending them? A parts store?
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Old 10-11-2010, 02:03 PM
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Well, yesterday I stopped in to Advance Auto (a big chain up here, not sure about where you are) to get a cheapy universal spring compressor and the counter man pulled them up as well (despite my having the old plug in my hand for reference). I passed and went to CarQuest today (my preferred parts store next to NAPA) and their computer had the same listing.
I'd understand at one or the other, but not both. Especially since I bought the plugs from CarQuest the first time I changed them a year ago.
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Old 10-11-2010, 02:07 PM
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I guarantee the Dodge dealer isn't recommending the platinums. Did you find a broken valve spring on the #4 cylinder?
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Old 10-11-2010, 02:11 PM
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Yep - I told the story on the other thread- You were right.
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Old 10-11-2010, 02:22 PM
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Sweet! I've been away for a day or so and I haven't seen the other thread. Glad that's all it is and you won't be needing a new engine.
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Old 11-21-2010, 08:16 AM
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So... I am correct in assuming that for plugs and wires in the 5.7L Hemi, OEM direct replacement is the BEST way to go when it comes time to replace?
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Old 11-21-2010, 08:29 AM
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Yes, I believe so. Since your truck is an '07 model, you won't be replacing any wires since the coil pack design change made in 2006 eliminated the wires.
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