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Power Strokes
7.3 Aftermarket
Doing it Gangsta
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[QUOTE="Big Bore, post: 117034, member: 760"] Depends on what you are trying to calculate. The lift isn't relevant to our discussion of how boost acts on the valve when closed. It is relevant to calculating spring length. At that point you will also want to know open pressure and spring rate. I'm not sure what you mean by translating. A coil spring exerts pressure on an area the size of it's diameter. The seat pressure and open pressure are measured on the end of the valve, but that load is directly transferred to the area of the spring diameter by the retainer and locks. [/QUOTE]
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