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Thread: my 408 dyno

  1. #11
    Join Date
    Sep 2005
    Location
    Austin Tx.
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    13,138
    that thing is pretty dang sweet
    1951 3100
    1984 C10

  2. #12
    Join Date
    Nov 2008
    Location
    Spring, TX
    Posts
    2,228
    Holy crap, that thing is amazing
    '02 Silvy: Z71 EC Step Side 5.3L Nelson tuned
    2013 GMC Acadia: SLT1 Carbon Black
    1976 Corvette Stingray: Trying to save it, progress is slow.

    ^Ricky's Sweet PS Skilz
    09/21/2010 02:31 <danger_ranger83> I'm not really worried about the looks...I want it to be fast and ugly...bc no one wants to get outrun by something ugly

  3. #13
    Join Date
    Feb 2008
    Location
    Arizona
    Posts
    648
    WOW!! looks FAST!! great numbers BTW!! how much NOS did you go for??200hp??
    06' Silverado RCSB 5.3L 4wd..
    PERFORMANCE: Cam, Springs, Pushrods, P&P heads & 3 angle valve job, Injectors, PS LT's & ORY, Nelson Tune, Catback, CAI, Comp Cam Double Timing Chain, HP Oil Pump, UD Pullies, ARP bolts, Stall, TBS, 4.10's, Iridium NGK's, G-80, 160 t-stat, HD-2 & Vette Servo, 46,000 tranny cooler, 75-125hp shot of funny Gas..
    HID's Hi, Lows & Fogs
    Waiting to be installed: LC-1 WB & Standalone system

  4. #14
    Join Date
    Jul 2009
    Location
    kuwait
    Posts
    9
    Quote Originally Posted by White Devil View Post
    WOW!! looks FAST!! great numbers BTW!! how much NOS did you go for??200hp??
    yes it was 200 shot but the heat was killing us its was over 45 Celsius which is 115 Fahrenheit thata why i didnot get the hole 650 hp

  5. #15
    Join Date
    Apr 2009
    Location
    Houston
    Posts
    384
    good numbers
    question
    did u open the cutouts off the line or did u do it halfway there
    i kno DamnYankee was talking about it makes it worse if u open em up off the line
    2000 Yukon Xl


    2003 Sierra Denali Quadrasteer

  6. #16
    Join Date
    Jul 2009
    Location
    kuwait
    Posts
    9
    Quote Originally Posted by gordo View Post
    good numbers
    question
    did u open the cutouts off the line or did u do it halfway there
    i kno DamnYankee was talking about it makes it worse if u open em up off the line
    it was open all the way what DamnYankee saying is right if you have stock setup but with strocker i think it should be open all the way but i notice if it was open i lose sum power but not for sure its just feeling i realy didnot try haveing the cutout half way on dyno

  7. #17
    Join Date
    Jul 2009
    Location
    kuwait
    Posts
    9
    i want to post the dyno sheet if cant see it just click on the sheet

  8. #18
    Join Date
    Apr 2009
    Location
    Houston
    Posts
    384
    i would think so i alwayz thought of puttin an rpm switch u know what i mean like install the switch so wen u hit certain rpms the son of a gun will open n scream u kno but idk just a thought
    2000 Yukon Xl


    2003 Sierra Denali Quadrasteer

  9. #19
    Join Date
    Jul 2009
    Location
    kuwait
    Posts
    9
    Quote Originally Posted by gordo View Post
    i would think so i alwayz thought of puttin an rpm switch u know what i mean like install the switch so wen u hit certain rpms the son of a gun will open n scream u kno but idk just a thought
    you should but let me tell you what you should do also , you must put a safety switch on the thruotel so the rpm switch dont work when the rpm start going down i had this prblem and i had the bigest blowoff my intake jump out side my truck cuse this rpm switch will work btwen the number you set it going up or comeing down so the safety thruotel switch is a must must must what i mean you must hit the gas all the way down so the switch opin and then the rpm switch start working and when you realse your feet from the gas thruotel it will stop
    Last edited by speeedo; 07-29-2009 at 07:35 AM.

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