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Thread: carfax

  1. #11
    Join Date
    Dec 2007
    Location
    College Station, TX
    Posts
    1,464
    that seems pretty fair to me

  2. #12
    Join Date
    Sep 2007
    Location
    Texas
    Posts
    5,301
    That is a good deal. The flex fuel motor... Has anyone had any luck with those? My mom has one in her 03 suburban z71, and that thing is sensitive. I know you can only use the stock a/c delco plugs on them. Great motor though. I would try and find a non flex fuel motor if it was me. Did the 99 have cast iron heads? I think in 00 they changed to alum.

  3. #13
    Join Date
    Dec 2008
    Location
    san antonio TX
    Posts
    1,365
    the 99 motor has alum heads. my 99 z71 also has alum heads.
    1982 c10 lsx swaped, NP tuned, true duals, 4:11s, trutrac, e-fans, CAI

  4. #14
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    I think only the 99 LQ4 6.0 had iron heads. Once you hook the FF engine up to a modified tune ECM and all the regular bolt-ons without the Hz sensors and crap in the fuel lines you'll have the same performance as a "regular" 5.3.

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