okay so i was looking on the internet to get some spark plugs for my truck its the 06 5.7l hemi, and some of the parts on the internet said that i need 2 plugs per cylinder is that right? and after how many miles do you have to change them out i have 35000 miles on it now and the manual said after 30000 is that right? i have always had to 100000 miles to change them out. well thanks in advance.

 

30K
16 plugs
Buy the cheap copper champs

 

Yes, 2 plugs per cylinder is right. I believe they do this to ensure the engine gets complete combustion. According to the manual, 30k miles is the interval for changing them, so it looks like you are due. They are just copper plugs so they are fairly cheap, and I've heard people around here say that platinums actually run worse in our engines.

 

+1

 

has anyone heard about how the E3 plugs run in our trucks? ive heard its a good plug, just havent heard a whole lot about them.

 

Go with the champions.

 

alright guys thanks i will have to go with the champs. lol

 

I saw a dyno result for the E3 plug that increased HP by 5,but it wasn't on the Hemi.

Read one owner on here used them , then took them out,said the truck ran worse. IDK.

 

Yep, sixteen plugs, changed every 30K (they'll probably go 40K-50K, mine had 86K when I changed 'em). I used NGK 5306s.

 

I change my plugs alot since i race it and jus want new plugs...but I usually just change the ones under my coilpacks and change the secondary one when I do the 3rd change of the primary...