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Discussion Starter #1
my truck is at 90,000 and i think its time for new spark plugs. the last time i had a car long enough to need plugs they cost 1.00 each for good ones. i see the fine wire plugs are a better plug (lower resistance, better spark more longevity). what i am not sure of is platnum or iridium? i know iridium is harder but does it really make a big difference? i see about a $2.00 difference between platnum & iridium
which isnt huge but why spend it if it is just a marketing thing? What are your thoughts on this?
 
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