Same here. My buddy works at the local dealer and is always helping me out.I love my LB7's, but one of my best friends is a GM tech that does most of the dealership's duramax work. Employee prices and free labor :thumb
Personally dude, I think you should bite the bullet, do the injectors then sell the truck and buy an LMM/LBZ. For all you know the diesel you're getting from the gas station is crap and adding more filtration will only go so far before you have to replace the injectors again for another chunk of change out of your pocket.Update: 50,000 miles and and smoking again. #1and #5. No more warranty. I gotta eat this one. I keep hearing that filtration is the key. I put the cat filter on shortly after I got the new injectors. Obviously that didn't work. Now my diesel guy wants to add a lift pump for more filtration. Here is my problem. If fuel is the cause, Bosch updated the nossels, why don't all of the other trucks have this same problem? There has to be more to it than just adding more filters.