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4mil jetting.


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My friend wanted me to post this for him.... What is the proper or close jetting for this setup. 4mil long rod dune ported and case matched, cool head with 22cc domes, fmf fattys, v force 3 reeds, stock carbs... Right now he is running a 340main and a 40 pilot. I know the pilot is probably set a little fat. Also we live it Michigan. I want to say elavation is just a few hundred feet. Let me know what you guys think.

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I would say the mains are about right. The pilots are huge. Should be more like a 30 pilot.

Yeah the motor builder said run a 27.5 pilot and another local guy said to run a 40. He says he would rather run fat than run lean.

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