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The answer is four simple words: Ramp Angle and Enertia.
The steeper the ramp angle at a given resistance the greater the likelihood a valvetrain component will separate from its connecting piece(s).
The real difficult part is that a manufacturer may alter the ramp angle at the top or bottom of the roll, so there may be two ramp angles on any one profile. Float can result from deflection or enertia, either at the top of the lift.
So unless you can find the ramp angles of attack or ramp angles of incidence you are gonna have to take the manufacturers word on what needs upgraded springs.
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Matthew "iNGEN" Woods
SweetPea has to go. 61k and clean as a whistle. Lots of extra parts including rebuilt turbo thrown in. PM me for details.
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