2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

copper plugs?

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Old Apr 4, 2008 | 12:49 PM
  #1  
Horrific_Ending's Avatar
Horrific_Ending
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Default copper plugs?

so i posted a while back about my motor making a knocking noise. its coming from the top of the motor so i ruled out my rod bearings going bad. i did come to the conclusion though. My car was idling weird before i changed my spark plugs thats the reason i changed them but i only got the knock after i actually changed them. now what i had before in my car was these:

and when i got new plugs i actually got these:

the bosch super plus and it supposly has a copper core. so from me switching plus like this could this be making my motor kinda knock and not run as well? because i noticed that the knocking sound is coming from the top of the motor where the intake is at. so i am not sure from me downgrading to these plugs could be the issue that i am running into.
Old Apr 4, 2008 | 12:55 PM
  #2  
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Default RE: copper plugs?

I wouldn't put copper in anything more than a lawn mower or chain saw.
Old Apr 4, 2008 | 12:57 PM
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Default RE: copper plugs?

so this could be making my car run like crap huh? because i think the ones i had before didnt have a copper core.
Old Apr 4, 2008 | 01:10 PM
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Default RE: copper plugs?

little help guys?
Old Apr 4, 2008 | 01:30 PM
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Default RE: copper plugs?

The important element here is that the knocking only started after the plug change. Also, copper core plugs are very old technology and don't belong in modern engines. I would buy a good set of platinum plugs and change them out. My bet is that will solve the problem.
Old Apr 4, 2008 | 01:41 PM
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Default RE: copper plugs?

yeah because the only thing that was wrong with my car before the change of spark plugs was the idling when i started her up. then after the change i noticed that there was a knocking coming from the intake manifold area. so i think i am going to change my plugs hopefully thats it.
Old Apr 4, 2008 | 02:12 PM
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Default RE: copper plugs?

If the picture is the exact plug you put in, you have a platinum plug. A copper core is just that, a copper CORE. The platinum part is in the white tip. Platinum is WAAaaayy to expensive to use it throughout the spark plug. I'm pretty sure its over $1500/oz.
I hate to add this to it, but dont use Bosch plugs in Fords. I've mentioned this in the other plug threads. I run a shop and have installed more plugs than the DIY ever will. A plug is a plug, right? Nope. Use Autolites in Fords. AC Delco in GM. Champions in Chrysler. Bosch in European cars. NGKs in Jap cars.

I know, I know. Someone is gonna say, " Well, I used brand XXX for years in my XXX. Never had a problem."

I am happy for ya. It has been my experience, in this shop as well as what other shops that have talked about it, that certain brands work in certain makes of cars.
Take it with a grain of salt, or take it as gospel. Your choice. I have first hand experience, and am relaying that to anyone.
Old Apr 5, 2008 | 12:03 AM
  #8  
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Default RE: copper plugs?

ORIGINAL: SCCAGT

If the picture is the exact plug you put in, you have a platinum plug. A copper core is just that, a copper CORE. The platinum part is in the white tip. Platinum is WAAaaayy to expensive to use it throughout the spark plug. I'm pretty sure its over $1500/oz.
I hate to add this to it, but dont use Bosch plugs in Fords. I've mentioned this in the other plug threads. I run a shop and have installed more plugs than the DIY ever will. A plug is a plug, right? Nope. Use Autolites in Fords. AC Delco in GM. Champions in Chrysler. Bosch in European cars. NGKs in Jap cars.

I know, I know. Someone is gonna say, " Well, I used brand XXX for years in my XXX. Never had a problem."

I am happy for ya. It has been my experience, in this shop as well as what other shops that have talked about it, that certain brands work in certain makes of cars.
Take it with a grain of salt, or take it as gospel. Your choice. I have first hand experience, and am relaying that to anyone.
oh i dont doubt you at all. but my question was could the spark plug change cause my weird noise from the motor?
Old Apr 5, 2008 | 08:46 AM
  #9  
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SCCAGT
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Default RE: copper plugs?

It would be hard to comprehend that a simple spark would cause problems. But, yes, it could be. Especially since it didnt start until after you changed them.
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