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richie 2 · 08-21-2011, 08:28 PM

bbc, 3300lbs, auto w/brake, msd 7AL. NGK G groove #UR6GP. we've run them out of the box with no issues @ .040" gap. time for a new set, possiably to a .050" gap? may i have your opinion/experiance please...thanks.

08-21-2011, 08:28 PM	#1
richie 2 Senior Member Join Date: Feb 2009 Posts: 971 Likes: 430 Liked 205 Times in 93 Posts	sparkplug gap? bbc, 3300lbs, auto w/brake, msd 7AL. NGK G groove #UR6GP. we've run them out of the box with no issues @ .040" gap. time for a new set, possiably to a .050" gap? may i have your opinion/experiance please...thanks.