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I'm interested in the explanation that as boost increases it can keep the spark from jumping. Would seem like it should be the opposite because there is more material (air) for the current to arc through. Guess there is some other factor that has more of an effect in the other direction. : Are you using a Air/Fuel gauge, or your carputer? : Check this site out, it says that a air/fuel gauge will read full rich at WOT. : [ http://www.gadgetseller.com/ ] : Note: this site was posted on THIS board awhile back. : : Also, as boost increases, there is a chance that the boost will actually blow out the spark. Hence, the gap is made smaller as boost goes up. I don't know of a formula. Again, this is my understanding. : With my 323, the stock gap at 9 lbs of boost is 1.1 mm, while a gap of 0.7 mm is used at 15 lbs, also with colder plugs. Again, over at the 323 board, when people ask about a miss at high boost/rpms, people always recommend a smaller gap. Make it smaller, then give it a run. :) : Good luck, and I hope this helps!
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