I'm sure there is no XDF for this, but it could still be helpful to someone.
2007 Silverado 3500 l18 8.1L 2wd Allison 12597120

Yeah the pcm I have is all good to go for the conversation. The bin Pulse provided looks all kosher and I already did the segment swap for a manual on it...just need to get more parts together for...

Hey Fast, after looking through the bin Pulse provided it appears that it is set up for what I need. I was pretty certain I read of some of the Express vans remaining DBC for a few years. Thank you...

Hey thanks Pulse, I'll take a look and compare it to one of the stock bins. I think you are right, after doing some more reading I think the vans had the older PCM. Thanks again man!

Hey guys, so I've only seen one bin for the 8.1l in the 2004 library from a Silverado. I'm pretty certain all of the trucks had DBW setups. I know there were some Express vans that were DBC with the...

Hey T-Rex, just wanted to check with you on if the 8.1l bin is just a stock factory file?

Thanks for the add guys! I have a '77 K25 I'm working towards putting an 8.1l Vortec into that I got for a really good price. I e always been a diy guy with vehicles and built my own Megasquirt unit...