dx3s not getting enough travel on both channels?

[What's_nitro?]

Are you using Spektrum recievers? It's a shot in the dark, but if you aren't, then maybe the Rx is the problem. It really does seem like a neutral band issue; with the Tx neutral being more to the "left" on all of the channels. You can probably correct it with the trim if it isn't wayyyyyy off. That's really just a patch though, the problem still exists.