Just for giggles....
OME HD 14.37" free height, 8.9 coils, 630 lbf/in
HD 1/2 coil cut = 13.56" w/667 lbf/in = 10.61" = .64" less = 1.28" lower (1.78" lower w/spacer removed)
HD 1 coil cut = 12.75" w/710 lbf/in = 9.98" = 1.27" less = 2.54" lower
I feel like these figures are over-estimated... likely due to the difference between "coils" and "active coils" which does factor into the calculations (I've been assuming they're all active coils); let alone all the other guestimates i've been working with. I'm thinking the "free height" might also be measured from the center of the wire, not from the edges of the spring.... that'd definitely throw these figures off.
Case in point there are guys running a modified superlift with 1 coil cut off an HD spring. Using these assumptions/estimates cutting that one coil would nearly negate the initial lift achieved by that spring.
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