Nope, if anything it'll make it harsher.
I didn't much care for them when I had them (didn't handle as well, bottomed out easier), but the GT Shocks I had at one time had the characteristics you desire (softer riding).
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Ed Runnion -- Santa Clara CA -- 96 BBB, Many Mods
[email protected]
www.runnion.net
ROD, HAIL, SoCalSS, ISSCA, NAISSO