Ok. That's great news about the fan settings being slightly adjusted over stock.

Even my tuner mentioned, as a base tune on a stock or bolt on vehicle the Diablsport is a great device.
Highly recommended.

I already reached the point where needing to make further tune adjustments so now using HP ...

I have the line pressure maxed out too, did this within the adjustable parameters.
Saved and uploaded.
Re-checked it too, line pressure maxed out.

My understanding is the Diablosport does not effect TCM tuning, only the engine?

Lastly, are the fans on/off speeds/temperature adjusted with the 91 ...

Hello,
A couple weeks ago purchased the Diablsport Intune, live in CA and uploaded the 91 octane tune.

Adjustable parameters amended and uploaded:

DOD (Active fuel management off)
Speed Limiter (off)
Shift pressure (hard)

Highly impressed with the device, very responsive in low RPMs. Lot more ...