Valve spring tension vs RPM

my69396 · 01-18-2025, 01:01 PM

Does valve spring rate affect RPM and why?

Rick J · 01-20-2025, 07:55 AM

Yes, rate is control and never changes, though spring pressures will

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.

01-18-2025, 01:01 PM	#1
my69396 Member Join Date: Feb 2008 Posts: 285 Likes: 0 Liked 43 Times in 19 Posts	Valve spring tension vs RPM Does valve spring rate affect RPM and why?

01-20-2025, 07:55 AM	#2
Rick J Member Join Date: Jul 2022 Posts: 102 Likes: 31 Liked 73 Times in 37 Posts	Re: Valve spring tension vs RPM Yes, rate is control and never changes, though spring pressures will

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.

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