My 500 sport rocked copper cores good for 30k and at 38k, when I bought it, was misfiring like mad and stumbled a ton at startup, swapped $14 a pop NGK Iridium IX Plug Number DCPR7EIX and runs like a dream
Get ngk cold start and gap them to .28? If I remember correctly for stock ..don't just drop them in
I ordered NGK plugs gapped to factory spec (.032). I didn't pre-check them, but I late went back and checked them and they were all in spec.
replace the plugs with NGK only... I did this on 21 cars and every time the car started working as a new one. All cars were Audi of course.
I just changed all four NGK platinum spark plugs on my soul. My car’s driving good. No engine skips.
Toyota Corolla (2017) gets 30/36 mpg and cost $13K with 80K miles on it. Insurance $100/month for maximum coverage. I have had it since 2019 and have never had any maintenance except spark plugs (once), battery (once) and tires (once), and oil changes. So I have spent maybe $1000 on maintenance in 6 years.
I bought 4 new NGK plugs (part #92411). Installed them and it ran perfect.
I have the ruthenium. Bought pregapped from Mountune. They are fine. They work no noticable change. I've put about 200k miles on them between by ST and RS and changed every 50k miles with no issues (both tuned and stock).
That gap is INSANE, or at least appears to be.
In case you were wondering why those plugs look different, that plug on the left you’ve chosen (BKR5EIX11) is a plug that doesn’t match the longevity characteristics that Nissan originally set. The electrode basically isn’t designed to last as long.
only buy ngk rest is shit
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