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Thread: which heads setup is better?

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  1. #1
    Join Date
    Apr 2009
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    Harker Heights, TX
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    which heads setup is better?

    an LS1 with 5.3L heads
    an LS1 with 6.0L heads
    an LQ4 with 5.3L heads
    or a LQ4 stock

    keep in mind the heads will have work done on them

    thanks for the help
    2007 classic Silverado- Belltech 2" drop shackles; steel EFX roll pan; MB 20" with Yokohama's...the rest is stock 4.3L : (

    soon to come another 2"drop in the back and 1" drop in the front with edelbrock shocks all around

    My girls

  2. #2
    Join Date
    Dec 2008
    Location
    Del Rio, TX
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    311
    I dont knw for sure but in my case, I made an impressive number with worked 5.3 heads with 2.02 1.57 valves and milled .020. It will be even more with the Fast intake and new lifters

    1993 Gmc 02 ls1 Circle D 3400 stall, long tubes, 220/224 cam stage 3 heads, weiand intake, auburn posi, 389rwhp 352ft/lbs

  3. #3
    Join Date
    Feb 2009
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    mississippi
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    alot of ls1 vet guys like the low end power of the lm7 heads
    04 1500 5.3L custom hp tuners tune by myself don have a pic of it yet so hear is my old 01 chevy 5.3 460hp 13.669 @ 116

  4. #4
    Join Date
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    what are you looking to do??

    NA?
    Forced Induction?
    Nitrous?
    Quote Originally Posted by DamnYankee View Post
    lol...I wish you would never paint your truck...I bet it bugs them that much more that a primered up truck just soggied his Wheaties. good job buddy
    sprayedenali: i like catching, but not fishing
    DBTBSS: bring Tyler... we need someone to make fun of
    MidnightRider: your right im gay
    DamnYankee: my nana failed
    DamnYankee: confused...if it can't keep up to begin with, how can it keep up
    mitch cobb racing: ya, allen played with it for a while, HUGE difference

  5. #5
    Join Date
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    mississippi
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    i would go ls1 shaved 0.005 but i dono how the lq4 would like that but it may bring up the compression of the lq4 i dono
    04 1500 5.3L custom hp tuners tune by myself don have a pic of it yet so hear is my old 01 chevy 5.3 460hp 13.669 @ 116

  6. #6
    Join Date
    Apr 2009
    Location
    Harker Heights, TX
    Posts
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    im looking to do NA

    what ever block with head setup i decide
    with edelbrock carb intake with EFI and a square bore throttle body
    a nice cam(and the metal work that goes with it)
    super 40 single in dual out
    3.73 with detroit tru trac

    not looking for 600hp...400ish is good
    2007 classic Silverado- Belltech 2" drop shackles; steel EFX roll pan; MB 20" with Yokohama's...the rest is stock 4.3L : (

    soon to come another 2"drop in the back and 1" drop in the front with edelbrock shocks all around

    My girls

  7. #7
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    3,581
    Quote Originally Posted by shocker221 View Post
    im looking to do NA

    what ever block with head setup i decide
    with edelbrock carb intake with EFI and a square bore throttle body
    a nice cam(and the metal work that goes with it)
    super 40 single in dual out
    3.73 with detroit tru trac

    not looking for 600hp...400ish is good
    you wont be getting 600hp anytime soon. 400 is questionable as well. personally 373 isnt enough gear with stock height tires for any kind of built combo
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  8. #8
    Join Date
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    mississippi
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    why the old school style intake and tb not hatin just think it would be smarter to go with a fast and 90mm tb with some injectors
    04 1500 5.3L custom hp tuners tune by myself don have a pic of it yet so hear is my old 01 chevy 5.3 460hp 13.669 @ 116

  9. #9
    Join Date
    Apr 2009
    Location
    Harker Heights, TX
    Posts
    13
    cause ima old school guy..love the classics
    i originally was gonna do a carb setup..but did some research and saw that i could use the intake, but still be EFI

    that and i wanted to be different..almost everyone goes with a modern faster flowing manifold...with a ricer intake tube

    i want open element filter
    2007 classic Silverado- Belltech 2" drop shackles; steel EFX roll pan; MB 20" with Yokohama's...the rest is stock 4.3L : (

    soon to come another 2"drop in the back and 1" drop in the front with edelbrock shocks all around

    My girls

  10. #10
    Join Date
    Feb 2009
    Location
    mississippi
    Posts
    930
    its mainly cuz its way ezer to tune man there was one guy on hear with a z71 6.0 with that set up and he liked it but dare to be dif i guess just do your searching on how hard it is to tune and the reason we use tubes is to get alot more cold air
    04 1500 5.3L custom hp tuners tune by myself don have a pic of it yet so hear is my old 01 chevy 5.3 460hp 13.669 @ 116

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