Originally Posted by bdyche

Work on turning up the punch control and turning down Throttle PWM Frequency on the ESC. Stock for Profile #2 is 60 with Throttle PWM at 1600. I had the same issue with my Schumacher CAT K1 this weekend with a VTX10R and VST 8.5 (first outing with the car) but was able to correct it by going up to 80 on Punch Control and turning the Throttle PWM Frequency down to 9600, though 8000 would probably be even better.