Originally Posted by
jlfx car audio
Ok guys . My son and I joined the speed passion team back in april and we r in the process of swapping all our ESCs over to the pro 1.1 what needs to be done to them too run spec 17.5 ?
You need to download the latest software from the Speedpassion website and then update the firmware on the speed control to Stock0 which is the blinky mode for spec racing.