i hope it comes with those directions, if it can be done with the tx i'm not too worried about it, i don't plan on changing the values more then once or twice, i've never done it with my super vee, how can i tell what timing is going to be the best? i don't imagine i'll change the cut off more then once, brakes most likely off, reverse? is that bad for the flex shaft? i didn't see the right card on hobbycity, the one i did see had a lot of negative feed back and was saying it was for car esc's only