SCT custom tunes

[MIKESANDS]

Originally Posted by dieselsmoker well it says on the program file i had to download the sctx3 firmware updater it say if u are trying to load a LLY file u must change the files of type in at the bottom of the open window,also can i save my stock program on my computer and and the programer at the same time LLY isn't same as .ll3, maybe one of the windows options when you "save file" is what they mean? The tune programs are ll3 and the operating system of the tuner is lly. I can tell you from experience saving your stock tune on your computer doesn't help because it's saved as a unrecognizable format, SCT would need to re-format it for you anyway. I learned that the hard way also