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Spark Plug Question - Please

Old 07-12-2006, 09:27 PM
Thread Starter
Join Date: Jul 2006
Posts: 4
Default Spark Plug Question - Please

Im getting new spark plugs for my '99 SiR, and was wondering what type of plugs should i get?
a question that im most concerned with is the type of "metal" is best?
for example, which is the best.. copper, aluminum, platinum, silver, iridium, etc
i hear that silver is somewhat a bit better than the others, just want to hear your guys' opinions on this
and any info on which ones you guys use and how they've been treatin ya
thanks much =)
Old 07-12-2006, 09:52 PM
Senior Member
Join Date: Nov 2005
Posts: 2,667
Default RE: Spark Plug Question - Please

i have platnums in my civic right now. it came factory with platnums.

in my old engine i used iridiums, i liked them a lot it seemed to run a bit smoother (but i did new cap, rotor and wires at the same time.)
Old 07-12-2006, 10:08 PM
Join Date: Nov 2004
Posts: 1,396
Default RE: Spark Plug Question - Please

I have platinums also. I had an idling problem so I switched plugs. The new ones did the trick! I would say go with the platinums, the iridiums are overkill IMO.
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