11-16 LML Duramax Powertrain
Hi all; sure hope I'm posting this in the right forum. Please LMK if I should move it elsewhere.
First, about the truck: It's a 2015 3500 LT w/ ~295k miles. It has an EFI tow tune and EGR delete (done by previous owner) and a lift pump (done by me), otherwise its stock. Spent its previous...