hi im new here and am saving up for the truck ive been wanting forever. a chevy/gmc 2500 crewcab LWB 4x4 truck. im planning on getting a 06 and do not know alot about diesels, but im a fast learner. ive been working on my ownpersonal "gas" vehicles since i was 14 so i have a good bit of experience. but anyway i heard there was a LBZ engine option for 06 is this true? i plan on getting the truck within the year. i may get a used low mileage truck. but it will be used for towing often. me and my dad have a lumber business and we pull a Kubota L5030 tractor which wieghs in with the front loader and bush hog at around 7K lbs.the trailer that we pull the tractor with wieghs about the same. so ill be towing roughly 14k lbs daily or every other day.since we have to bring the tractor to our work site. so im 21 and would like to upgrade the performance of the truck. ill be getting a leveling kit for the front so the truck sits level , or a small lift kit. i thought of going with either bully dog or magnaflow for exhaust. i am probaly going to get the edge with attitude or something like efi live. i dont know what to do with the turbo??? i dont know if the allison transmission will hold up with the mods and the wieght ill be carrying? if you have suggestions please post.. i like to gather as much info as possible so i make the best possible decision so thanks in advance..