We were at Ls fest this year and left our laptop at home. The ecm we use on our 6.0 rail is from a 01 silverado truck. We were having a misfire issue so we went over to the hp tuners tent and had him hook up to the rail car. He went into a folder on his computer that had a list of about every vehicle that hp can read. When he selected the vehicle for the computer we had it loaded the tables and charts and all that good stuff. I was curious where this might have come from or if he created it all, or if i might be able to get my hands on it.