Brian,
Shawn had already suggested to race the F1’s @ 10Volts and he was right about it. Yesterday we raced Trans-Ams and apparently the motors had been broken-in … it was fast @ 10Volts. Marty was the only one that stayed on the track @ 12Volts, he had already set the car for that voltage with some weight. In the end we agreed to change it to 10 Volts.