Quote:
Originally Posted by ihiryu
So I just completed an auto x over the weekend, and had no issues with the stock plugs regapped.
I did a few datalogs while on track, and saw no realdifference. So save your money guys! Just regap your stockers
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You would need to data log it to see what the knock sensor was seeing. It may be because of you tune if you had it done with stock plugs that you saw no difference. The rule of thumb is to reduce one heat range for every 5 psi of boost.