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  1. #1

    Default L31 Glove Box Code... Is this right?

    It's been a week of reading and researching since I bought my 99 LT and I found something that I think I should be excited about. I have a code of L31 in the glove box which is listed as

    L31 : 409 CID V8 400HP (SPECIAL HIGH PERFORMANCE-SOLID LIFTER CAM)

    I dont understand because I thought it was a 5.7 / 350. Can someone explain.

  2. #2
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    dwill3015's Avatar
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    That's what I found as well. What are you driving again? It would be helpful if you listed it in your Sig as well, thanks!
    Darcy
    Washington State
    2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
    Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.

  3. #3

    Default

    Sorry... It's a 99 Suburban LT

    Just added it to my sig as well
    Last edited by i_build; 04-03-2009 at 09:18 PM.

  4. #4
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    Default

    I did a search and it seems GM recycled a lot of it's codes. When it applies to a truck, it is a 5.7l.

    http://chevytruckworld.tenmagazines.....asp?id=199226

    Tom
    1996 K1500 SLE Suburban, used but paid for:great:

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