I'm running stock, with a K&N cone. I've been experiencing tempermental WOT hesitation @ high RPM (~4K), since I've installed the filter on fairly old plugs and wires - guessing they're original. I just recently bought a set of Bosch 8mm Wires and Autolite Double Platinum 2544 plugs. What gap should I use with the new set of APP2544 plugs?
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