Quote:
Originally Posted by ree
What needs to be measured? Can't you do it with a flexible tape while lying underneath the truck?
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Unforunately you have to do the math above to insure proper spring rate. You could have 62" leafs on 2 different rigs, but the distance between the hangers could be different. Effects sag, stiffness, recoil, and shock length and travel would also be effected

etc. They take the measurements into consideration along with added rear end weight and customer preferences, if getting a custom job. DEAVER baby!
She is just doing an add a leaf, but they would still need the right measurements.