Thread: how to tell stock valve springs from aftermarket
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Old 04-26-2018, 10:26 PM   #7
Blueovalman
 
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Drives: 2012 V6 Camaro 2010 Camaro SS
Join Date: Jun 2010
Location: Tampa,Florida
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Quote:
Originally Posted by Quicksilver2SS View Post
Best thing to do is take a spring to an engine builder and have it checked out, he will measure the P.S.I. both seat pressure and open, takes a few seconds.
+1 This and whatever color the valve spring is.
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