New Plugs: At what level do you go one step colder?
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Conceptually, you want plugs cold enough to prevent preignition but hot enough to not foul.
I would say for most of us the threshold is whether you're running forced induction or not. Most of the boosted folk run BKR7Es which are two steps colder than stock.
I am currently n/a but the car gets tracked so I went one range colder than stock with BKR6Es for a little extra protection against preignition. They run fine with no fouling issues.
I would say for most of us the threshold is whether you're running forced induction or not. Most of the boosted folk run BKR7Es which are two steps colder than stock.
I am currently n/a but the car gets tracked so I went one range colder than stock with BKR6Es for a little extra protection against preignition. They run fine with no fouling issues.
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