I would be interested also.
With the FRP tune (have not tried the Wranglerfix tune yet), the difference is very noticeable. I have the 6-speed manual, and with the FRP tune I can run higher gears while cruising to lower RPMs without having timing pulled or fuel enriched for most of the time. So I get significantly better fuel economy and have to downshift less.
With a modified FRP tune, I no longer have any desire to regear (4.10s on 35s). Wish reverse and low range were a little lower, but 6th is now perfect at freeway speeds whereas before I had to run 5th most of the time.
The biggest difference you will likely note is less “power fade” due to extended mid to open throttle operation. If the Wranglerfix tune is also changing the base spark maps as well, you may also notice more base torque in certain parts of the powerband as well. In these cases, the extra power/torque isn’t actually a tradeoff - it’s achieved by simply extracting a greater portion of the energy from the fuel you are already burning.
The big issue with the implementation of the automatic transmission in the TJs is the fact it is coupled to a mechanical throttle and not an electronically controlled one. In an electronically controlled throttle and automatic transmission, the pedal and the throttle are not explicitly linked, meaning the throttle can go to WOT or near-WOT long before the gas pedal reaches its max travel. Thus the engine can run at very efficient states (low RPM, full throttle) and at the same time maintain drivability, since depressing the pedal further can simply command a downshift.
With an automatic transmission and mechanical throttle, this is much harder to do since the pedal needs to be all the way depressed to reach WOT. This leads to a necessary tradeoff in the tuning where the tune can either prioritize drivability or fuel economy. In the drivability tune, the downshift is triggered a decent ways before the pedal reaches the WOT position. But this eliminates the most efficient operating state of the engine, which is near-WOT at lower RPM. In the fuel economy tune (which the factory PCM tune would be), a downshift would be triggered at or just before WOT. Hence the user really has to floor it to get a downshift.
If the TJ (automatic) had an electronic throttle, the whole shift points thing wouldn’t be nearly as big of a deal as it is with a mechanical throttle. Meanwhile, for the manual, since shifting is performed independently of throttle position, a car with a mechanical throttle is just as efficient and drivable as one with an electronic throttle.
Getting onto freeways from the on ramp should be a breeze.