Quote:
Originally Posted by maicol76
Thanks for advice guys~
I think Be spring seems too much stiffer to use with stock camshaft.
64% higher seat pressure
34% higher pressure @ 0.450 inch lift
37% room for more camshaft lift
So I'm looking for less stiffer than BE spring. Does Schrick sell only one kind of spring?
How about Supertech valve springs? Supertech valve spring is 11% stiffer than stock
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Why would a spring ever be "too stiff"? All energy imparted into the spring on valve lift is relieved in cam follow assist on valve close relieving cam countertorque on the crankshaft. Certainly provides greater resistance to lifetime cyclic fatigue and less likehood to high RPM valve float.
Edit: As long as we aren't talking coil bind, which these have more margin for than OEM springs.