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Mark Ugrich · 01-20-2025, 03:57 PM

I went through some of this when we selected the valve springs for my S/S heads.Spring rate and the mass in the spring determine the frequency that the spring will operate at.Its possible to have the correct spring rate but not frequency.That said I leaned heavily on the guys at PAC for the right answer.

01-20-2025, 03:57 PM	#3
Mark Ugrich Member Join Date: May 2011 Location: Auburndale,Florida Posts: 220 Likes: 29 Liked 71 Times in 38 Posts	Re: Valve spring tension vs RPM I went through some of this when we selected the valve springs for my S/S heads.Spring rate and the mass in the spring determine the frequency that the spring will operate at.Its possible to have the correct spring rate but not frequency.That said I leaned heavily on the guys at PAC for the right answer.