what spark plugs for 383
04-01-2011, 10:44 PM
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what spark plugs for 383 What spark plugs and gap should i be running? Motor is a forged 383 with ported stock heads and around 12:1 compression. I was thinking a tr6 with around a .40 gap. Is this correct?
04-01-2011, 10:58 PM
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6800, I do run an accel coil. I dont know if that matters. Ive run it all the way to 7k before with an open y pipe and it was fine, but my exhaust kinda kills it up that high so i set the limiter at 6800 and normally shift about 6600.
