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Join Date: May 2010
Location: Erie, PA
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Valve spring specs...

Having my head rebuilt. Does anyone know the installed and open valve spring pressure?

Is anyone aware of a replacement valve guide that "shouldered"?

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Last edited by kfanazini; 03-31-2012 at 02:46 PM..
Old 03-31-2012, 02:43 PM
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Old 04-02-2012, 10:38 AM
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130# spring seat pressure on OEM springs for Turbo springs - NA springs is 120# seat pressure OEM.

Lindsey Racing has some race springs with 140# seat pressure...

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78-924 traded for 80-931 traded for 84-944 traded for 85.5-944 (7th one now).
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Last edited by Cocacolakidd; 04-04-2012 at 02:23 AM..
Old 04-04-2012, 02:20 AM
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