New guy here looking to absorb as much info as possible for a 411 swap and later an ht383e, I have a my pinout sheet, 411 pcm, and the l31 5.7 4l60e 4wd file EFIlive file for if I absolutely have to get efi, but am trying to get a pcm hammer/tunerpro files to work with push button 4wd if anyone can help would be much appreciated.