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E3 Diamondfire Spark Plugs

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Old 03-23-2015, 09:21 PM
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I prefer Splitfire plugs with triple stacked throttle body spacers and an over oiled K&N.
Old 03-23-2015, 09:22 PM
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Originally Posted by powerranger262
Perfect
Old 03-23-2015, 10:29 PM
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Old 03-23-2015, 10:34 PM
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Dont buy E3 for these trucks... Heres one after 1000 miles lol. Same question was asked on f150 nation on facebook. Then this picture appeared lol

E3 Diamondfire Spark Plugs-e1ti5vm.jpg
Old 03-24-2015, 04:46 AM
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While I'm not a fan of the E3 hype, I have to say that the plug in the picture looks suspiciously tampered. How would that much crud get onto the threads? And how did one of the tips get bent?

If you don't like a product, tht's one thing, but if someone purposely damages it to create a point, the integrity goes south.

Not saying this happened, but this looks suspicious.

Last edited by Mod (Ret.); 03-24-2015 at 04:48 AM.
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Old 03-24-2015, 11:03 AM
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He wasn't the only one who had failure within 1000 miles. Just only one that posted a pic.

But I ran e3 in my Honda foreman and was fouled out within half the day. No thanks it's cheap for a reason. My ngks burn brown like they supposed to.
Old 03-29-2015, 09:00 AM
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I've had the E3's in our truck since black friday 2013 without any issues. I went with these because these are 1 piece and were a few dollars cheaper than motorcraft.



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