New Tuning Support for GM 3.0L Duramax Trucks and SUVs
April 23rd, 2024—HP Tuners has just announced new tuning support for the 3.0L Duramax (diesel) engine with the E66 ECM (Global B) powering the 2022-2022.5 Chevy Silverado/GMC Sierra 1500 as well as several GM SUVs (all LM2 generation) .