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Should I replace my spark plugs earlier than recommended?
After reading a few threads about spark plugs, I thought to myself: Should I replace mine now even though I'm still 20K km away from the recommended interval?
The main reason I am thinking about doing so is because I had a problem with my previous engine burning oil, so it may have contaminated the plugs (even though they looked fine last time I checked). I did NOT see a line item on the warranty invoice when I had the new short block put in, saying that I received new spark plugs, so I can only assume they re-used my existing ones when they swapped the new bottom end of the engine in. (Everything else was on the invoice, down to how many quarts of oil, specific bolts, etc... so I'm positive that if they replaced the plugs, it would have been noted on here).
I have been checking around, and replacement plugs are $18 locally (and about the same online here in Canada). It's not exactly cheap to replace these 'because i feel like doing so'.
Lastly, I just had an emissions test yesterday and passed with flying colours. So maybe my plugs are just perfectly fine and I should wait until next fall when I'm closer to the recommended change interval?
What are your opinions on this, and why?
Thanks.
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2004 TSX, PWP on Ebony, 6MT, #00032. 2006 short block put in at 92,000km --> warranties are a good thing!.
Hondata, Tein, Tokico, Injen, Unorthodox Racing, Comptech, Powerstop, Ingalls ETD, FLP Maven, Japspeed.
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