I was wondering what most diesel mechanics would charge to pit in new headstuds and gaskets on an 06? Not the parts but just the labor. I'm new to owing a diesel. I just picked up an 06. It's has the egr delete, intake, exhaust, cat delete. I really just want to make my truck as bullet proof as it possibly can be. The coolant has been flushed and am running delo oil. I was thinking about getting a tuner with custom tunes from innovate. Do I need to get gauges. The truck has the boost gauge right? But I'm not sure about what else I would need to gauge. It also is running 37 x 13.50 on a fabtech 8" lift. Sold rear axle too. What is the best thing I can do to the truck to get the best mileage and to make it bullet proof?