PTU was serviced about 5k miles ago. Honestly, even if it's not transmission related, it's been at least 50k miles since I've changed the fluid, so that needs to be done anyway. I really should drill/tap the PTU to make servicing it easier.
I'm having an issue with a high speed vibration over 60mph. It's not bad, but noticeable. I was initially told by Discount Tire that I had a bent rim on the front, which they replaced, but that was not the issue. I've also noticed that when going up a hill around 30mph it also has a weird...
You don't need a local tuner. Look up Gearhead, AJP or several others. You can apparently use a computer/phone, so you can load a tune and install a 3 bar map.