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wpavlis · 03-21-2017, 02:54 PM

according to my records the springs have the following specs:

105 Lbs @ 1.750" -Valve Closed, Spring Installed Height
260 Lbs @ 1.170"

03-21-2017, 02:54 PM	#14
wpavlis Registered User Join Date: Oct 2015 Location: San Tan Valley, Arizona Posts: 315	Re: engine tech vortec heads according to my records the springs have the following specs: 105 Lbs @ 1.750" -Valve Closed, Spring Installed Height 260 Lbs @ 1.170"