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Thread: LLY or LBZ

  1. #1
    Join Date
    Nov 2003
    Location
    Davenport Florida
    Posts
    268

    Default LLY or LBZ

    In my search for a new to me truck, I was wondering if mechanically the LBZ is more desirable than the LLY. I know the LBZ has a higher torque and Hp rating, but I am finding more LLY's from 05 than I am LBZ's from 06. Would an LLY with some mods do as well as an LBZ? If I have a choice between a lower mileage LLY and a higher mileage LBZ that costs a few thousand more, is it worth it to get the LBZ?
    email rfkjr@juno.com
    07 2500HD C/C LBZ 248k
    83 K2500 X 6.2, now 390 Stroker,18.5 & 19.5x 44 TSL\'s & Boggers,5.13w/Det.Lkrs. Mud Toy
    90 ISUZU, 350 eng, 350 trans, Double xfer cases, 2.5 Military Axles, Tractor tires

  2. #2
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,573

    Arrow

    I think a better understanding of the model years and powertrain designations may be in order. They are not all created equal. The LBZ is, hands down, the better option. However, the 2006 LLY (Classic, early builds) are LBZ, with the only differences being cosmetic and programming (2005 LLY power specs, but the same mechanicals as the LBZ). The additional advantage to the 2006+ LLY/LBZ is the 6-speed Allison not available on 2005 and earlier trucks. In my opinion, the 2007 Classic (early model year build) is the best of them. The 2007.5 model year (the "new" Silverado/Sierra, of the time) began the era of DPF, which ended any new truck interest for me, and the restrictive requirements in CA adds significantly to that.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  3. #3
    Join Date
    Dec 2000
    Location
    Hawaii/Arizona
    Posts
    259

    Default

    Scooby,
    Jim did an article on this exact issue several years ago. I would suggest that you do a DP search for the article. I am sure it will help with your decision. My 2006 D/A, LBZ has by far been the best truck that I have ever owned. I personally would shop for a LBZ with the SIX SPEED Allison over the LLY with a five speed.
    Good luck
    John
    *2006 Chevy, 3500, 4X4, DRW, (LBZ) D/A, CC, LT, 252K Miles, 19.5" Wheels, Mag Hytec Transmission Pan and Differential Cover, SS Grill Guard, Racor 2 micron aux fuel filter, 100 Gallon Aux Fuel Tank, using Edge Evolution, Predator Diablosport, Kennedy ECM tune, Fitch Fuel Catalyst.

    *2006 Four Winds, Dutchman, 36', RV, D/A, 5500 Kodiak.
    *1993 Harley Davidson, Turbo charged, Springer Softail.
    *2007 Pontiac Solstice.
    *2005 Jeep, Liberty, CRD (diesel).
    *Full-timing in USA, see America first.

    BUY AMERICAN or CANADIAN, NOTHING from CHINA .

  4. #4
    Join Date
    Feb 2000
    Location
    Maplesville, AL - Home Base
    Posts
    536

    Default

    I had a man walk up to me in a parking lot a few weeks back. He asked if my truck was a 2006. I said it was. He asked which engine. I said LBZ. He asked what I would take for it. I told him he couldn't afford it.

    We both smiled, shook hands and he left.

    Enuf said!
    Ed
    KM4STL

    '06 Sierra LBZ 4x4 Crew SB, Titan 52 gallon fuel tank, TTT/Schefenacker Mirrors
    '98 Suburban, 245,000 - sold 7-4-06

  5. #5
    Join Date
    Nov 2003
    Location
    Davenport Florida
    Posts
    268

    Default LBZ Found

    Well, I listened and found a 2007 LBZ with (UGH) 240k on the clock. More miles than I would have liked, but for what I need the truck for it should do quite nicely. I got it for $1000 more than the 05 LLY I was looking at. The 05 had 225k on it, so I dont think I did too bad. It was not easy. Trucks in Florida go fast. Dealerships here dont sell the older trucks. They send them to auction and the used car lots get them. From what I have seen, I should have paid 5-6k more for this truck. I got lucky and caught it before the dealership sent it to wholesale. Hopefully it does OK.
    email rfkjr@juno.com
    07 2500HD C/C LBZ 248k
    83 K2500 X 6.2, now 390 Stroker,18.5 & 19.5x 44 TSL\'s & Boggers,5.13w/Det.Lkrs. Mud Toy
    90 ISUZU, 350 eng, 350 trans, Double xfer cases, 2.5 Military Axles, Tractor tires

  6. #6
    Join Date
    Feb 2000
    Location
    Maplesville, AL - Home Base
    Posts
    536

    Default

    I intend for my LBZ to be passed on to my daughter/son in law. I bought it new and I'm keeping it until........

    Do you think it will last another 20 years?
    Ed
    KM4STL

    '06 Sierra LBZ 4x4 Crew SB, Titan 52 gallon fuel tank, TTT/Schefenacker Mirrors
    '98 Suburban, 245,000 - sold 7-4-06

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