Running Iridium spark plugs?
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Running Iridium spark plugs?
I'm running a VF30 right now on my car with higher boost. I was thinking about running some HKS or Denso Iridium spark plugs that are 2 steps colder than stock heat range. What are your opinions on these Iridium plugs.
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I've got the denso plugs in my car, I'm not real highly tuned and have no idea if they've helped or not, but I sure as hell haven't had any problems. And from what I've seen they seem to be the best quality w/ the most backing them up as far as being from japan for japanese cars. just my 2 cents
i have the ik20's i think. the ones that are one step colder. before i was throwiing cels for misfires and the dealer could not fix it. (but they knew the codes) they said they couldnt replicate the problem. anyways i decided to change the plugs myself and so far so good. this was a year ago. but im not hightly modded either. denso's are quite good.
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