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Thread: Near stock LQ9 dyno

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  1. #1
    Join Date
    Feb 2009
    Location
    Roy, Utah
    Posts
    80

    Near stock LQ9 dyno

    I dyno'd my truck last week on a dynojet and want to hear some of your opinions. It has catback, open filter, and tune mated to a 4l60e. I don't have the graph(their printer was down) but it put down 248/290, I was expecting more to be honest. I think part of what's holding it back is I still have stock mani's and the 5.3 y-pipe; i'll be ordering some pacesetter lt's with y-pipe next week. I do think the tune could be massaged some more but not a ton, what'd you guys think?
    99 Silverado 1500 4X4- 6.0 LQ4, LPP headers

    00 Trans Am- H/C LS6 intake, 100 shot
    11.64@121 w/1.74 60' @4400' elevation

  2. #2
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067
    that is low...my stock 5.3 made 260 rwhp
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  3. #3
    Join Date
    Oct 2007
    Location
    Bandera, TX
    Posts
    2,921
    thats about what my dads ss made stock. i think like 260 or so. thats about right.
    single digit street truck


    for build info

    http://www.ls1truck.com/forums/my-ga...cs-garage.html

    The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......

  4. #4
    Join Date
    Apr 2005
    Posts
    4,229
    Huh? That is a 24.6% driveline loss.

    What wheels? Yes the exhaust is killing it.
    Gone, but not forgotten!

  5. #5
    Join Date
    Oct 2007
    Location
    Bandera, TX
    Posts
    2,921
    dads has the stock 20s and the factory 14 bolt. thats about right for an auto... 20+% loss
    single digit street truck


    for build info

    http://www.ls1truck.com/forums/my-ga...cs-garage.html

    The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......

  6. #6
    Join Date
    Apr 2005
    Posts
    4,229
    Ya, 14 bolt would add to it. Wow, what a compounded loss.
    Gone, but not forgotten!

  7. #7
    Join Date
    Sep 2007
    Location
    Texas
    Posts
    5,301
    mine stock with a tune made 318 rwhp and 345 rwtq. with a stock 80e and 14 bolt..

  8. #8
    Join Date
    Oct 2007
    Location
    Bandera, TX
    Posts
    2,921
    Quote Originally Posted by ChevyLee View Post
    mine stock with a tune made 318 rwhp and 345 rwtq. with a stock 80e and 14 bolt..
    stock with a tune......lol......
    single digit street truck


    for build info

    http://www.ls1truck.com/forums/my-ga...cs-garage.html

    The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......

  9. #9
    Join Date
    Sep 2007
    Location
    Texas
    Posts
    5,301
    Quote Originally Posted by TurboMic View Post
    stock with a tune......lol......
    It is, lol. I bet now that I changed my exhaust and intake, its at least at 325 hp and 355 tq.

  10. #10
    Join Date
    Feb 2009
    Location
    Roy, Utah
    Posts
    80
    Ya I thought it was to low, i'll do the headers/y-pipe and redyno it. It has 285/75/16's for tires btw.
    99 Silverado 1500 4X4- 6.0 LQ4, LPP headers

    00 Trans Am- H/C LS6 intake, 100 shot
    11.64@121 w/1.74 60' @4400' elevation

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