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Valve Spring Requirements? Valve Spring Requirements?
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  • 2 Post By blykins

 
 
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Old 09-05-2024, 12:14 PM
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Quote:
Originally Posted by talos View Post
I currently am running Edelbrock Performer Heads on my 427 side oiler, medium riser dual quads. I am switching back to Webers. The heads spring pressue is Seat/150, Open/355. They only have been ran for 4 Hrs. Can I install a new mechanical flat tappet cam without changing the springs?
A lot of spring load without a nitrided cam and EDM lifters.

Even if you got the cam and lifters like that, you'd need to be well below those loads for break-in.
eschaider and Joey.S like this.
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