short turn width?
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short turn width?
I have read that the short turn width (at peak of turn) should be the same size as the valve is this true?
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typically at least .90% PerCent of Intake OD is minimum ST-WidthAnyone? Is this top secret or is it so far off that its not worth responding to?
and .93% + PerCent Width normally if you can achieve enough Height
and up to actual Int valve OD depending on limitation of the
Spring Pocket and how much metal is there and at the Short Turn width ?
if you don't have enough Roof height because of Spring Pocket limitation or water jacket, then you have to go wider in width and try to achieve
.93%+