Hello mods and friends,
I have a question about weather or not to add a bit more antisieze if I'm just checking plugs for fouling.

I'm running iridium plugs at the moment I think some plugs come pre applied but I'm not for certain.
However I can't remember if we did or did not .

Which anti sieze to use the copper based or the other kind ?

If I do find some fouling can these iridium plugs be cleaned up ?

I'll assume they can't be regapped though just brushed n cleaned ?

And final question if it's possible too clean the fouling is there a preferable cleaner to use.

Thankyou.

 

What engine? From everything I have seen/experienced, these engines just don't like the rare-earth plugs. You get strange performance issues, random misfires, and a selection of other interesting behaviors. Especially on the older magnum motors, and even the Hemis...... Dodge recommends plain jane copper plugs..... If you are going to go to the trouble of pulling them, I would just replace them.

 

Yup. Stick with copper plugs on these trucks. Too many people get issues with every other type of spark plug in these trucks.

 

I have a 2005 ram 5.7 hemi. 3rd. Gen.
so stay with the copper plugs ?
Do you have a brand preference ?
For copper plugs and wires ?

 

Dodge recommends Champion RE14MCC4 plugs. NGK has an equivalent that many on this forum like also.
For wires, do you have the long wires that go across the intake? I've heard good reviews on NGK and Denso wires. I recommend checking your current wires for resistance before replacing.
If you do have the long wires, consider converting to shorty wires if you want to clean up your engine bay. I don't know if shorty wires perform better, but they look better and are a popular mod.
You didn't mention why you are checking your plugs. Were you having performance issues, or just get a tune? Knowing more about your situation will help us give you better info. For checking plugs, the FSM has a discussion on spark plug analysis in section 8I.

 

Hey Veteran thanks for the comeback. Yes I'm having some long crank then start issues. So I'm starting down theRabbit hole of diagnosis. So Administrator Hey You suggested checking Fuel and spark delivery. That's why I askingAbout pulling plugs looking for fouling, cleaning, antisieze, back in. So it's both a diagnosis and a maintenance tune.

I have about 30k on Irirdium's with Denso long over the top of engine spark plug wires.
Yes I agree to your NGK OEM replacement. Going to do exactly that.

Yes curious about the Shorty plug wire mod that you mentioned.

I'm 88k miles in on this 2005 ram 5.7 hemi 4x4 truck.

Thanks again for the tips.

 

Alright so I did a resistance check on all 8 Denso plug wires.

I worked from driver's side cylinder bank 2 plugs, 2 wires = 2 ohm numbers per cylinder.

Resistance numbers below for each plug wire @ 33" Long plug wire.

C1. 12.98 k. Ohms 11.50 k. Ohms
C3. 11.50 k. Oms 11.75 k. Oms
C5. 12.78 k. Oms 12.85 k. Oms
C7. 12.50 k. Oms. 11.90 k. Oms
Am I within spec ?
I don't where to find spec numbers for the 33" long Denso plug wires.