what color z06 springs
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#9
you also need to look up the seat pressure on the springs you are going to be using. figure out how much they require to open/close as compared to the cam that you are running..
some cam lobes are much more aggresive than others.
some cam lobes are much more aggresive than others.
#10
100% agree with this statement which prolly wont be more than .580' id get the yellow springs


