Spark plugs

davbell22602

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2003
monte carlo ss
3.8L


Which spark plug should be used in the 3.8L? copper, single plat, double plat, or irrdium?
 

OldCracker29

I've been knocked down drug out and left for dead
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It should tell you in the owners manual. I would probably go with the platinum, but if they're a bitch to get to I'd go with the iridium. :dunno:
I'd also use either AC Delco or NGK plugs.
 

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