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Trickflow 215cnc heads and prc valve springs?

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Old 06-03-2014, 10:39 AM
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Default Trickflow 215cnc heads and prc valve springs?
Does anyone know if the PRC .675 springs will fit a TFS 215 head without modification's?
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Old 06-03-2014, 04:58 PM
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Yes sir, those springs will work with the 215 set up. Is there a reason that you're considering the .675 spring kit over the .650?

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Old 06-03-2014, 07:17 PM
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My ms4 I received has A cam card that says .651 lift on it. And I don't want any issues with trying to run a .650 spring.
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Old 06-03-2014, 09:40 PM
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Originally Posted by JIMS SVT
My ms4 I received has A cam card that says .651 lift on it. And I don't want any issues with trying to run a .650 spring.
Springs have less surge and last longer when they are set-up close to max......meaning .060" from bind
Your valve will not be opening to theoretical lift as a result of deflection in the push rods,rockers, and valves. A dial indicator at the retainer will in most cases be .015"-.025" less.
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Old 06-04-2014, 03:45 PM
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Originally Posted by JIMS SVT
My ms4 I received has A cam card that says .651 lift on it. And I don't want any issues with trying to run a .650 spring.
The PRC .650 spring kit is conservatively rated to .650 lift. They can more than handle that cam with those sized valves. They are very forgiving. If this was my own personal car, I would run the .650 spring kit without hesitation.

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