Can you be more specific? Does my Predator not have the ability to tune my truck with the Mafia?

Why? I have a Predator and a Mafia, why would I need to get a custom tune from a dealer? I was told to simply buy the Mafia when I bought my Predator and they would do what I need to do.

Predator U7158
v.9r03
2001 Ford Lightning with stock MAF and 6lb lower pulley.

My question is how do I tune the truck once I plug in the MAFIA?

I have access to a dyno for as long as I need it.
I also have an Innovate MXL Wideband already installed.

Without the MAFIA:
My truck is at 11.2 A/F WOT ...