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Need jetting (Main) for a 421 cub with 35.5 mikuni flatslides...


Guest snownman

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Guest snownman

I am building a 421 cub with cpi out of frames, 21 cc domes, dyna ignition, and 35.5 mikuni t-slides and im looking for a starting point for main jets.   i am using a 55 pilot and the cel needles.  elevation about 4500 feet

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