Jim - I haven't tried any other bars. I'm sure Adam has tried more than a few, and the ones we're running are what he feels most comfortable with. I'm running the swaybar in the rear very loose, so it helps to weaken the effect a bit.
ultranewb - The stock aluminum clutch shoes, and yes, clutch springs from the Losi LST.
When I say stupid bottom end, I seriously mean nearly undriveable..haha. My car is nutty fast!