While I don't have a T5Z, I do use Helix with an original T5 regularly. For acoustic sounds, I run a 3Sigma Taylor acoustic impulse into a studio preamp and then through a variety of fx depending on need. For electric guitar sounds I created a patch based on Line 6's fender amps. One of the things I found was that I had to goose the output stage a bit to have the signal output match that of other guitars through other patches but it works well and I have had a lot of compliments on the acoustic patch.