I have a buddy who leaped head-long into an 8.1L swap on his truck. He bought an engine on it's own and dropped it in with a NV4500 5 speed manual transmission. I am not sure where he got it from, but he got someone to provide him with a PCM that was supposed to be set up to run the manual transmission, but more importantly, a drive by cable throttle body. It runs as is but has no power and the idle is erratic (idles too high, does not drop off between shifts etc) so I checked his PCM and it has a DBC 5.3L / automatic operating system and what appears to be stock 8.1L / Allison trans spark and fuel tables grafted in.
I want to help him get his truck running properly, but I cannot for the life of me find a stock 8.1L / ZF6 tune file anywhere. I am aiming to do something similar to what the original tuner was going for, but start with a DBC 6.0L / NV4500 operating system to get the idle control characteristics behaving properly for a manual trans and get the some tuning tables that are designed for a manual transmission loaded up and see if it behaves better.