I've got a freshly build 4mill with a trail port, vf4r, T5's and pro design coolhead with 19cc domes. My compression is 175 pre cylinder with +4 timing. I've ran 100LL since the first start. You should be fine.
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I have a stock stroke crank in excellent condition with very few hours on it. I would like to trade for a set of cylinders with few or no bores on them.
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Myself and at least 4 of my friends are running short rods, we love them. Two of my friends are running long rods . I've rode both its just personal preference.
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I have T5's, stock carbs, pro design coolhead with 19cc domes, k&n pods,350 main jets,27.5 pilot jets. Oh ya VF4 reeds.
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