therrien68 Posted May 23, 2005 Report Posted May 23, 2005 I just bulit a 420 stroker and am having problems jetting it. I am at 2500 feet It has 68mm bore ported, 4mm stroker, 34mm carbs, 20cc domes, fatty pipes, vforce reeds, bulls eye intakes, stock timing, kn filter with no lid. I am at 1 300 main, 30 pilots, stock needls with clip one up from center. Quote
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