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hey guys it's about time to change the spark lugs on my 04 5.7L 1500. i've been hearing alot about these E3 sparkplugs, i have a buddy that owns the same model and engine as my truck and he says the E3 plugs aren't the best for this truck. not really sure of my friends credentials though haha, i thought i would ask you guys which ones were the best for my truck's HP and MPG
 

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from what I have read the ngk's or champions are about the same.... abd thast the E3's arent the best for these trucks..
 

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The Hemi doesn't appear to have expensive taste in spark plugs. It seems happiest with the plain 'ol OEM type copper plug.

Everyone I know that has tried fancy plugs including the E3's, has removed them within 1K miles and put OEM's in. :4-dontknow:
 
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