Look at these plugs!
Thread Starter
Joined: Aug 2002
Posts: 610
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From: Erie, Colorado
Look at these plugs!
Can anyone with a little bit more experience than me give me an idea if this is normal or not. If I remember right, this is after about 6-7000 miles. I only run premium gasoline.[IMG]C:\My Documents\My Pictures\Front Top[/IMG]
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Thread Starter
Joined: Aug 2002
Posts: 610
Likes: 6
From: Erie, Colorado
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yeah I would say change those plugs. The electrode is worn way down like a pencil tip. They are supposed to be much bigger than that. All that build up will reduce the current also, but the build up is usually normal to an extent. That milage seems about right, since these are regular copper plugs (not platinum or iridium) they usually only last for about 10k miles max. Platinum is crappy so I suggest not to get them as they do not conduct very well. Copper is best conductor just doesn't last as long, while iridium is very expensive it lasts longer and conducts a hell of a lot better. Iridium is best for higher HP cars, that's when you will actually see HP gains from just plugs. For example, they put iridium plugs in a 500+HP Supra and they got a 60 HP gain from them. But you will only see gains like that from high HP cars like I said.
Last edited by RX7SpiritR; Jul 10, 2004 at 03:05 AM.
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