how long do copper plugs last

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Jun 5, 2006

gearbox

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how long do copper plugs last

i've had my ngk v-power for 6k miles so far. i planned to change it every oil change (5-6k), but they are still going strong. is there a recommended interval to replace?

Jun 5, 2006

KINGCHILE

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http://www.aa1car.com/library/2002/ic120214.htm

Jun 5, 2006

ctx66

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I think it really depends on the vehicle/engine. I'm pretty sure most say 30k on copper. I see no reason to go over that on our cars since the plugs are easy to change, and copper plugs tend to be cheap.

Jun 9, 2006

wallaw819

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Quote:

Originally Posted by ctx66

Have been using copper for 45K in start stop traffic and they are still fine. Anyway copper is cheap and changing them every oil change is just right. New copper always "feel" better.

Jun 9, 2006

D5cIvIc

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if you change your plugs every 5-6K then you're just wasting your money.

Jun 9, 2006

gearbox

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ya im just gonna wait. they still feel new anyway

Jun 9, 2006

realitycheck

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I had my oem plugs in till just about a month ago when I turned 50,000 miles. I changed to bosch platinum 4's I really like them, and nowhere near as expensive as those iridium.

Jun 20, 2006

wallaw819

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Quote:

Originally Posted by realitycheck

I had my oem plugs in till just about a month ago when I turned 50,000 miles. I changed to bosch platinum 4's I really like them, and nowhere near as expensive as those iridium.

Really like the bosch 4 but in my part the 4 is more expensive than iridium! Most of hte people here use NGK IX.