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Thread: lq9 identification

  1. #1
    Join Date
    May 2006
    Posts
    3
    this might sound a little basic but hey, that's why the forum is here i'm just wondering if there is some way to tell what engine you have if all you have is the engine. it should be an lq9 but how do you know?

  2. #2
    Join Date
    Aug 2005
    Posts
    383
    Nothing on the block. Have to pull a plug and look for flat top or dished piston. Flat top = lq9, dished = lq4. Otherwise you would have to pull the oil pan. lq9 rods are beefier and have floating pins.

    03 Chevy ECSB, Z71, 6.0L(LQ4), Maggie @ 9PSI, 4l80E, PI Vig 2800, Detroit True-Trac, 4.10, 90mm LS2 TB, Meth Injection, HSW Dry N20, LPE GT7 Cam, 918 springs, Dynatech LT's, Hi Flow cats, custom stainless exhaust, DMH cutouts, DJM Suspension Drop, E-Fans, AirAid, HPT 2Bar SD Tuned, 11.68 @ 114.2

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