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The nitrous guy
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So Monte, as a recommendation would you add a degree of timing or take 1/4# - 1/2# fuel pressure out first?
Mike, If I pulled that plug from a motor I was tuning, I would not hesitate to pull 1lb of fuel pressure, but I would also take a degree of timing, maybe two, as the strap looks hot to me and will get hotter when you pull fuel. Over all though, there is no heat in the cylinder, notice no discoloration of the threads, likely because it is rich and a small tune, but I still see too much lead. But we are dealing with a pic on the internet here. Timing, heat range and mixture are 3 distinctly different things.

Monte
 
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