Hesitation with heat range 8 plugs
#1
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Hesitation with heat range 8 plugs
I just installed NGK Iridium, heat range 8 (bpr8eix) & immediately I experienced hesitation at high rpm & boost (20-21psi) Never had such issue with the previous set of plugs which was heat range 7! I reinstalled the 7s & that eliminated the hesitation.
A friend is suggesting that the new plugs might require gaping (decreasing gap from 0.8mm to 0.6mm) But I heard that Iridium plugs are not suppose to be gaped!
Any suggestion what the problem might be?
A friend is suggesting that the new plugs might require gaping (decreasing gap from 0.8mm to 0.6mm) But I heard that Iridium plugs are not suppose to be gaped!
Any suggestion what the problem might be?
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