Just wondering what spark plugs others have used in an na engine. The only mod engine wise is an intake. I was thinking of getting ngk with a heat reange of 8. Ive read that our stock ones have a heat range of 7. Denso was an other option but ive heard of those iridium spark plugs breaking all the time. I dont mind the copper ngk, I would just change them out 5-7k miles. What do you guys think.

 

stick with OEM. see the FAQ at the top for the specifics on which plugs to use. it's in the FAQ about changing your spark plugs - how to