J jonlsu Active member Joined Nov 13, 2021 Messages 158 Media 31 Reaction score 175 Location Texas Apr 15, 2023 #1 Interesting turbo video for the 3.0L Lm2 Link AT4 Forum Fav 👍 PEDAL COMMANDER for GMC Sierra 1500/2500/3500 - Grab one through Amazon!
Interesting turbo video for the 3.0L Lm2 Link AT4 Forum Fav 👍 PEDAL COMMANDER for GMC Sierra 1500/2500/3500 - Grab one through Amazon!
T TonyAT4 Active member Joined Feb 22, 2023 Messages 100 Media 22 Reaction score 45 Location CT Apr 15, 2023 #2 Subscribed. Wonder if they can put out a tune that won’t void the powertrain warranty.
Duramaximus Well-known member Joined Aug 4, 2021 Messages 330 Media 15 Reaction score 309 Location Utah Apr 16, 2023 #3 It will be interesting to see what tuning improvements can be done to reliably improve the 3.0L
J jonlsu Active member Joined Nov 13, 2021 Messages 158 Media 31 Reaction score 175 Location Texas Apr 16, 2023 #4 Apparently there are a few companies working on tunes for the lm2. This guy has a few videos on them. Link
Apparently there are a few companies working on tunes for the lm2. This guy has a few videos on them. Link
S GMC AT4 Camping & Traveling Haloview RD7 Camera system will not work with my 2024 GMC Sierra 3500HD AT4 S SwampRatWB Apr 9, 2024 🔥 0 Amazon
J GMC 1500 AT4X 23' Refresh (non-AEV) Leveled on 20x9 +20 with 34s J Jacobi3389 Aug 29, 2023 🔥 0 Amazon
GMC AT4 HD Problems and Issues Well This is Interesting... Regen issue gemarsh Nov 26, 2025 🔥 1 Amazon
