Iridium spark plugs........
07-30-2003, 08:05 PM
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Re: Iridium spark plugs........ (viprcr1)
Stock ones are actually almost twice as expensive as my Iridiums. And I'm not looking to buy more plugs. I just wanted to know how long iridums usually last.
07-30-2003, 08:45 PM
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Re: Iridium spark plugs........ (Draggin99Si)
why the hell are YOUR stock plugs just as expensive or more expensive as stock ones? that don't sound right. i know my iridiums are way more expensive than stocks 
07-30-2003, 11:48 PM
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Re: Iridium spark plugs........ (Draggin99Si)
He's right. The NGK Iridiums we sell are much cheaper than the stock platinums.
As to how long the last, I change my Iridiums every 30k, but I haven't seen any info on the boxes saying how long they should last.
As to how long the last, I change my Iridiums every 30k, but I haven't seen any info on the boxes saying how long they should last.
07-31-2003, 04:46 AM
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Re: Iridium spark plugs........ (Draggin99Si)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Draggin99Si »</TD></TR><TR><TD CLASS="quote">Stocks in the 99-00 Si are crazy *** expensive platinum NGK's.</TD></TR></TABLE>
from honda they are like $15 a piece.
from honda they are like $15 a piece.
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08-03-2003, 12:47 PM
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Re: Iridium spark plugs........ (EG2 SiR)
Ok this is what I found out.
Monarch, a huge spark plug supplier/distributor told me 40-50k miles. I accidentally called them because typing in ngk.com pulled up Monarch's site.
I then contact NGK USA, and the tech said recommended replacement is every 40k miles.
Monarch, a huge spark plug supplier/distributor told me 40-50k miles. I accidentally called them because typing in ngk.com pulled up Monarch's site.
I then contact NGK USA, and the tech said recommended replacement is every 40k miles.
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