Basically in a nut shell, I bought an XCAL2 from Torrie and it came with 3 tunes for the LS. That winter I bought a F150 for the daily driver and I bought a tune off Torrie for the truck. Last week I picked up a used SCT X3 and wanted to leave my XCAL2 on the F150 and use the X3 on the Lincoln. I sent him an email to see how much to make 2 of my already existing tunes from the Xcal2 work with the X3. And he said $150. Sorry but I think this a little extreme.