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Old Oct 24, 2007 | 11:15 PM
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bgreen83
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From: Elizabethtown
Default lift?

I have stage 3 ls6 heads with double valve springs, good to .650 lift. what does the .650 lift mean?
thanks and sorry for a newbie question
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Old Oct 24, 2007 | 11:36 PM
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From: hill billy hell
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good to .650 lift. what does the .650 lift mean?
It is the amount of lift the spring can take from a
cam shaft before suspected coil bind begins.
The cam shaft determines the lift along with pushrods, and rocker arms
as to how far to open the valve.Duration is made in to the cam shaft as to how long that lift will be achieved.
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