j towne
02-25-2007, 04:57 PM
How do i know hat engine I have??? LBZ OR LLY
On thw window sticker it says
Heavy Duty Power Package
Duramax Diesel 6600 V8 engine
310 HP, 605 LB- FT Torque
southbayrhino22
02-25-2007, 05:02 PM
LLY LBZ is 360 650 unless you have Kodiak
921500Z71
02-25-2007, 05:03 PM
That would be the LLY. The LBZ has 360 hp and 650 ft-lbs.
paddler
02-25-2007, 05:03 PM
Looks like a LLY, the LBZ is 360HP and 650 lb-. Is this an early 06 model?
hewmack
02-25-2007, 05:04 PM
8th digit of the vin.... if its a 2 its a lly if its a D its a lbz thats about the easiest way.
DURAMAX3500
02-25-2007, 05:58 PM
also look in the glovebox. on the decal somewhere it says LBZ. not sure what row but its the left side of the sticker