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Throwing this is MISC and hoping someone sees and can point me in the right direction.

2009 GMC 2500HD 6.0 Gas 6L90
Pretty loaded SLT. 190K miles. Home made tune up (tire correction, mild shift...

Thanks for the answers guys. I was comparing the CTS-V stock maps and it had different names than my truck. Sounds like i need to put those back to factory and just make individual changes.

Side...

2009 GMC 2500Hd w/ 6L90E

I was hoping someone could explain the differences to me.

When I look under Transmission -> Shift General, there is a Shift Pattern Type. There are two (presumably...

Fixed it. Truck drives much smoother and better overall. Thanks for your help.

I will get a log later, but it appears I have solved the problem. Someone on here PM'd me and gave me a few things to try.
Set the PE delay to 2000rpm, and PE Ratio to 1.193 across the board. I...

Made the changes you recommended, still no dice.



Where is that?

Tune Attached.

That truck has almost 400hp from the factory. It should have no issue doing burnouts. In fact on the wet if I step in it she will spin great, the issue is you cant do a brake...

Has anyone used one of these cheap ebay 10 in 1 gauge clusters?

https://www.ebay.com/itm/NEW-DF-Advance-ZD-Style-Sports-Digital-Meter-Full-Kit-BF-CR-C2-60-52-Gauge-10in1/322416299673

Just...

I have a 2009 GMC 2500HD 6.0L 4x4.

Truck has some sort of electronic nanny that prevents you from doing burnouts. A guy on PT.net put in a line lock, but that seems like overkill.

Just...