Hey mike, I put the tune in yesterday and the truck runs fine. Except it isnt making that much more power with the supercharger, I still am using the FMU. How much extra horses do you suppose it would pick up if I install the larger injectors and pump? When I do, does it need to be reprogramed ...

Yeah, it has the FMU. Its powerdyne's kit #K10521-101 (6-psi). Stock I ran 15.7 so I'd be happy if I could see 14's with the supercharger. BTW which email do I send my stock file to when Im ready for the powerdyne file? Thanks Brett

1.When the unit turns on it says, bios v 6.01, then when you are at the screen which has, Tune it, Diagnostics, Options. It says at the top 1.03.
2. It says Factory Tune

I know the unit can be unlocked for $100, but my question is that when I send it in to be unlocked can you guys put a custom tune on it for me then. When the unit was new it came with powerdyne's supercharger kit and had a tune it made special for the supercharger. (Its for a 2001 Silverado 4.8 ...