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Are you considering the whole gap, or only the part of the gap which is hanging out the ring lands?
you know the OD of the ring (bore diam)
you should know the ID of the ring
so calculate the area of the big circle, subtract the area of the little circle. Now you know the area of the ring.
calculate the circumferance of the ring (bore), translate that into degrees by dividing by 360. Now you know how much of the circumference to use per degree. calculate how many degrees the end gap is.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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