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4mm strocker dragport cpi inframe vitos 404 big bore manifold with out boost botle 35mm carbs im on sea level so could you guys help me out i have a race next weekend and i dont have time to try out diffrant size of jetting

You've got too much invested in that motor to not mess with the jetting to get it dialed in right and too many modds for a good accuarate estimate. If you have an engine builder that has ran that exact combo of mods before, then maybe they can give you a spot on jetting setup. Unless someone on here has the exact same port job and matching carbs, intake, filter, pipes, ect at the same temp and elevation and their jetting is right and answers this post you have to do some trial and error, so if you want to race this weekend, better get started. :bolt:

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