L&T Wet Clutch - 4 vs 6 spring

All else being equal, which clutch is better from a longevity standpoint? Sprint course, KT100, 370 lbs, 8.9:1 ratio.

Was wondering if the 4 spring has more narrow lockup range, therefore less time for wear, while 6 spring has wider band between free & lock (more springs, less individual force) and thus more slip before full lock. Some call it softer vs harder “hit”. Is my theory valid?