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Old Tue, February 3rd, 2009, 03:55 PM
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secondarychaos secondarychaos is offline
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Join Date: Jan 2009
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Default Stock valve spring questions

I was wondering at what RPM or boost (or combo) do the stock valve springs start to float?

my other question, is has anyone ever shimmed the springs to increase seat pressure? or am I ?

thanks,
Dan
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