Forgetful_Duck: when you leave out the plastic spacer, doesn't the belt rub against the teeth of the spur? I think the plastic spacer is for guiding the belt so it doesn't break?
Reese Bobby: i will post my impressions sunday or monday after the first test day with the car. Hope it's faster than my photon ex and the arc of a local racer I'll have to compete against at our german nationals the week after :-)