Quote:
Originally Posted by tunermt
I run bkr7eix-11 factory 1.1mm gap in my s14 Sr20det on e85 and 19psi. (R35 coils)
I?ve run copper core ngk as well but they last less than half as long and I have to gap them way down compared to the iridium ngk spark plugs.
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Why are you running 11 heat range on a lower performing motor? Especially on E?