can you double up the feeler gauge to get the gap size
NGK TR6 out of box gap size
Just a reminder for anyone changing their plugs in their pullied Cobra. Make sure and double check the gap, even when closing it, with fresh NGK TR6 plugs. I used a wire style tool when I first installed them, to what I thought was .035 gap. Got spark blowout when accelerating on the highway, so...
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