Valk, I am using Futaba radio and have an new RX on the way (futaba micro). I use the low hole on the servo saver and have plenty of range. I also don't use tekin. I have an X-Car speedy in it at the moment with a glitch buster on it but also have a new Trackstar speedy on the way which should be here this week. I know it is hard to diagnose problems without see it. Thanks for the efforts guys