What kind of power are you putting down? We just glued down the carpet on our 12'x16' tonight. Traction was good with a stock motor, but Xspeed was a little much for the small track. Traction still seemed good with Kyosho 30s. I haven't tried the foams, but they should be hooked up rather well. I've been running yellow springs all around with gold on the center damper. Basically full stiff. I haven't really had a chance to experiment yet. A guy in the Phillipines is running locked suspension all around and likes it.
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