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lq4 or lq9?

This is a discussion on lq4 or lq9? within the General Help forums, part of the LSx Technical Help Section category; i have a 02 z28 m6 is burning oil. i want to go with a lq4 or lq9 i would ...

  1. #1
    Junior Member
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    blue
    2002

    lq4 or lq9?

    i have a 02 z28 m6 is burning oil. i want to go with a lq4 or lq9 i would just like to know which one is better and what year should i go with.

  2. #2
    Impounded
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    gmcheviac

    Try a new pcv and catch can mod first. Lq4's are somewhat cheaper, and though they have lower compression they are the better choice. The lq9's have less piston to valve clearance and too much compression for some applications with smaller 64cc non 6.0-truck heads

  3. #3
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    How much oil does it burn?

    Are you looking to build a performance motor or just put in a replacement?
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

  4. #4
    Junior Member
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    blue
    2002

    Just a replacement engine maybe a cam and heads

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