i bought my truck from a guy that had out the E3's in there, and i just put some copper's in and noticed better gas mileage and the old E3's plugs looked horrible, and they only had 10k on them!!! I would NOT recommend getting those E3 plugs. Oh, and I have the 4.7

 

Just thought I would share this. Being I was changing the spark plugs and planned on standing on the bumper a lot to do this job. I disconnected the battery to keep the air bag from deploying. This reset the computer. Because the computer we reset it had to re-learn the throttle position and that my friends is what caused the stalling. It happened a couple of times and that was it. Now that the computer has the throttle positioning set and the truck runs fine. So if you disconnect the battery to do this job expect the same to happen to you unless you have one of those little gizmos that plugs into the cigarette lighter and keeps your electrics powered with just enough current to keep them from losing settings.

 

Mine were still original with 85k on her (04 QC 5.7 4x4). I got her with 80k about 2 1/2 months ago and just this week noticed hesitation one day and she died one time at a stop light the next day. No more delay, time do the plugs. I read alot and was prepared. Took a while, but I got 'er done and she runs great now. I used NGK 5306, gapped at .045 like on the sticker on the underside of the hood, with anti-sieze and dielectric grease. I started on the drivers side front to back then passenger side, front to back, one at a time. I labeled them as they came out so I could analyze. I may post picks. They weren't too bad considering how long they were in there. I would be ok with changing them at 50-60k instead of 30k. I am getting old and it was a little rough on my body cause I am feeling it this morning :-)

 

are the NGK 5306 plugs better than the reg champion copper plugs? did u have to use any weird extension on the ones near the firewall?

 

I am getting ready to change the plugs in mine, although I have not decided which way to go. Just one comment about the pictures posted by JoeHemi, if these plugs were in my drag car I would go up one heat range as they looked like they had more carbon than I would like to see, or maybe the motor was running a bit to fat, also they looked well worn as the electrode was pretty rounded. Maybe this was because the lighting in the picture was bad, but they did look more black than gray/brownish.

IMHO

 

I will go out on a limb and say 'yes' they are. I am no engineer (well, actually I am, but not a mechanical), but from my research, they are great. I think i read that they simply have a slightly different core (but still copper inside). She runs like a kitten (more like a tiger cause I have true duel's (two catbacks to glass packs dumped behind each rear wheel))

I used my swivel and my 3 inch extension with my ratchet and spark plug adapter. On the last one in the back by the firewall on the drivers side, I used some vice grips to hold the top of spark plug socket as it was sitting in the hole, then snapped on my 3 inch extension, then, when it fell in, I could attach the swivel and ratchet.

 

i was looking at getting some NGK Iridium IX plugs, is it a total waste of money? the only reason i was going to because i thought they would last longer since im going with the screamin demon coil and it says it produces alot more spark. is this right or should i just stick with the stocks?

 

Running Autolites. I change them up around 30k. Since it is a fairly easy job I don't mind do it. The few times I have put in more expensive plugs, I haven't noticed any real gain

 

2002 1500 4.7 running champion double platinum without any issues at all.

 

So true to noob form, I'm going to ask a potentially really stupid first question... I just bought my first Ram at 90,000 miles, and I'm changing out the plugs with no idea when or what the last guy had in it. I know that the newer rams have the MSD system, but does this mean that I don't need to replace ANYTHING else (wires/cap/etc), given that all of my coils are in good shape? Should I replace coils at a particular mileage as well?

Thanks guys, and sorry for the novice questions...