the Turbo mouthpiece does not need to be changed on the 2006 LLY, only on the 2004.5-2005 LLY, the 2006 LLY as you stated is the same as an LBZ, and all it takes is tuning to bring it up to the same hp as the LBZ:thumbsupbritewhiteram pretty much got you covered. The good thing about the 06 lly is that it has a 6 speed trans and is just a detuned lbz. You will want to change the turbo mouthpiece as they are restrictive and can cause overheating if you haul any heavy loads. Id check powersteering fluid/pump, i know mine went shortly after i got mine.
Injectors are really on a problem on the 01-04 LB7 duramax trucks, and 5 sets a week??? I really doubt that, they are a problem but not that big of a problem, and the new bosch version of the LB7 injectors are much improved, the injector bodies are far less prone to crackingA good freind of mine has a son who is a mechanic at the local Chevy dealership. He claims they install about 5 sets of injectors a week on the duramax's. Is there an average life span on these things?
Not digging the 6.7 anymore?Slow. We just closed on our house up here, so we are in the process of moving. I leave work everyday, head to the new place, paint, or do other work and then go to where we are staying to hit the sack. But I try to do some online shopping at night. I don't want to spend more than what I owe now, as I am nearly paid off. So I am looking for an even type trade, or a cheaper, higher mileage truck. But the searching continues!!elmerfudd