2006 Duramax LLY vs. LBZ
Couple questions, Other than the 8th vin digit, I've read that the LBZ will have the newer "DuramaxAllison" badge on the side where as the LLY will just say "Duramax. Do you guys agree? Also, unde...
Forum Discussion
nofoolin wrote:
Yes, the '06 6spd lly is the same as the LBZ. It has all the revisions except for the finalized tune of the LBZ. If you are still concerned, check the diesel place dot com for further clarification. Christopherglenn is also correct about reading the flash.
I'm just adding this redundancy because there was some innacuracies in earlier posts. Good luck, if all checks out, I would have no issues bumping the tune to at least LBZ stats. Neighbor has a 36', or larger toyhauler he pulls out to Glamis through hills,desert, winds, and has been doing it since '06 when he bought his LBZ. It's also raised, big tires for the sand and tuned +40hp. Desert out near Palm Springs can cook, he has had no issues. FWIW.
I have a 40 hp tune on my LBZ. Makes a huge difference.
