Free LS tuning, TunerPro Basics, VATS delete, BIN and XDF files
Going over the basics of Tunerpro, very simple intro to get your swap running.
Link to PCMhammer, https://github.com/LegacyNsfw/PcmHacks/wiki/PCM-Hammer
OBDlink LX, https://amzn.to/322p6Wk
OBDlink MX (one I'm using), https://amzn.to/3jVrcgy