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Originally Posted by LMH
How adjustable would using a leaf spring be for setting up ride height?
Stance is important IMO.
Larry
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You can shim the spring mount to the chassis or attachment to the upright, depending on design. Changing rate requires changing the spring, leaves (if it is a metal spring with more than one leaf), and the clamps on the leaves.
Generally, this was a poor design then, and it is a worse design now, unable to handle modern tires (which would generate enough force to bend the spring like a pretzel). In those days, a street car couldn't generate .6g and maybe not much more in braking. A high performance car, the best of the best, would be around .8g. Today big sedans do .8g lateral and 1.g under braking, and sports cars can exceed 1g lateral and 1.1-1.2g under braking.