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b055 · 12-18-2003, 08:54 AM

autolites/motorcraft plugs are crap when u start making serious (600+hp) on spray! i've had too many to melt down to count. ac delco holds up a little better but by far the best has been the ngk's

12-18-2003, 08:54 AM	#8
b055 Registered Member Join Date: Mar 2003 Location: philadelphia ms Posts: 180	autolites/motorcraft plugs are crap when u start making serious (600+hp) on spray! i've had too many to melt down to count. ac delco holds up a little better but by far the best has been the ngk's __________________ i got mustangs. do u?