Quote:
Originally Posted by jhubbz
I used some performance spark plugs once. I do not remember the name, they may have been NGK, but they ended up causing issues down the road. Unless you are running a tune and whatnot, I suggest just running the stock AC Delco's.
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NGK, I believe make AC Delco plugs. 03glgold also stated this earlier in this thread. Maybe you had used another plug? I have run NGK copper, platinum, and iridium on my Ecotec Alero, and have never had issues with them. Copper just require more of a regular maintenance, but I always changed the copper ones before I had any issues.
Quote:
Originally Posted by kbubb91
ok so i should go for IRIDIUM sparkplugs, NGK?
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If you want. That is what I am using on my Ecotec Alero, and I have had zero issues. Also, after many plug failures on his motorcycle, my dad switched to NGK Iridiums, and has yet to replace them.