what plug to buy
Originally posted by 3isacharm
RETed, do you mean 9's all around? i thought on a near stock motor you'd want to use 7's leading and 9's trailing.
RETed, do you mean 9's all around? i thought on a near stock motor you'd want to use 7's leading and 9's trailing.

The all 9's will last a little longer in the leadings positions, and most NA's can use them if you run decent highway miles in your mix of driving.
-Ted
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