Specs on Nick's Ride:
Standard (27 tooth pulley) differential

An `apex` one way remachined to fit a 15 tooth pulley on the lay shaft with a machined adapter to suit the lay shaft. The pulley is off a schumacher sst/cat part # u15010 plastic or u2019w alloy.

Heavy duty tensioning pulley (2 flangebearings) from a Losi touring car.

X - 5 Street Weapon:
Nick runs stock touring car at local club races, and won the class on 4/21/05 by 3/10 second.  On 4/28/05 Nick won again, this time by 7/10 second.  Nick advises it's "very close racing."  Indeed, and the X - 5 SW is winning!