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Thread: What is special with the 5.3 in police yukons?

  1. #11
    Join Date
    May 2008
    Location
    Round Rock, TX
    Posts
    3,069
    maybe the speedo...

  2. #12
    Join Date
    Apr 2009
    Location
    Houston
    Posts
    384
    they run the L33 on it ask me how i kno
    but they have had a hard life but good maintenance but its up 2 u
    2000 Yukon Xl


    2003 Sierra Denali Quadrasteer

  3. #13
    Join Date
    Aug 2007
    Location
    Honeywood, Ontario
    Posts
    6,994
    good maintenance? I worked at a dealer where we serviced 2 PD fleets, the only time they came in is when they were on the hook.
    2006 Silverado
    Little Black Bitch

  4. #14
    Join Date
    Aug 2007
    Location
    SugarGrove WV/Eubank KY
    Posts
    338
    i wouldnt buy one myself.

    01CamaroZ28
    10.751 @ 124.26 mph with a 1.446 60ft
    ALL THRILLS NO FRILLS!!!!
    B&L Racing stg 1 heads 224/581 cam.
    06 silverado 6.0L VMAX LPP LT's, Volant CAI, Manaflow, NELSON TUNE.

  5. #15
    Join Date
    Sep 2008
    Posts
    322
    So really other than having been beat to hell. Its the speedo, the speedo, and the speedo.

    Yeah I wasn't interested in getting it, just curious.

    Do you guys think the speedo has been changed any...
    - Waiting for an lq9 swap - Super 40 center in dual out - battery swap to spare tire location - exhaust turndown -

    2

  6. #16
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    There is a difference between the speedometer and the computer speed limit.

    Both are modified.

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