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Re: What spark plugs are you guys running?
Not much wear on those at all - just filthy!
I just put in NGK's in our 86' C30 454. Always been happy with them in our foreign cars which can be real picky about plugs, figured I'd give them a try. So far so good.
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86' C30 Dually Crew Cab Ranch truck, carb'd 454, TH400, towing a slant load 4 horse trailer.
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