07.5-10 LMM Duramax Powertrain
Hello everyone, I've read many posts and done a lot of searching, havent been able to find anyone with the same issue.
Truck is 2008 cclb , have dsp5 efi live tune from Rob, love it. Also have gorend torque converter, single piece rear driveshaft, air lift bags.
Truck has 300,000km and is well...