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Thread: New best time

  1. #1
    Join Date
    Aug 2005
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    383
    Finally got to the track tonight after couple new mods. Alky injection and a couple more PSI boost. Air was great and as it cooled off times improved.

    4 passes all in the 12's. 1st 2 runs truck still heat soaked a bit. 12.90's Let the truck cool down and last 2 runs 12.70's. Best being 12.73 @ 103.61. Still has some more in it if I can figure out how to get AFR in 3rd right. Meth has it rich. Might have to throw some more air to it. Thinking a 50-75 shot of dry N20 would do it

    Got my cowl hood on today to. Truck looking pimp. Sitting in the staging lane and a car doing his burnout throws a chunk of asphalt and puts a nice ding in my fender. Wonder if I could turn that into the insurance company.

    03 Chevy ECSB, Z71, 6.0L(LQ4), Maggie @ 9PSI, 4l80E, PI Vig 2800, Detroit True-Trac, 4.10, 90mm LS2 TB, Meth Injection, HSW Dry N20, LPE GT7 Cam, 918 springs, Dynatech LT's, Hi Flow cats, custom stainless exhaust, DMH cutouts, DJM Suspension Drop, E-Fans, AirAid, HPT 2Bar SD Tuned, 11.68 @ 114.2

  2. #2
    Join Date
    Nov 2005
    Location
    ohio
    Posts
    1,712
    that is so freakin Awesome Roger!! 12.7's are outta this world !!! i bet people dont even know what hit em.Congrats on the new time!! Cowl hoods look sweet on our trucks, That had to piss ya off to get a ding in the fender though , go see the dent wizard. How much boost are you running? Im hoping to raise up 2 more psi and net some lower times. Nice Work Again Rog!!!
    07 SILVERADO CLASSIC 2500 HD 4x4 CREW CAB LT3 DURAMAX LBZ/ALLISON 6 SPEED 5'' MBRP Turbo back exhaust 6'' TIP /NO CAT- NO MUFF/ AFE Intake/ EDGE HOT JUICE /MERCHANT AUTO STG III Built Allison/P I ConverterTTS Twin Lift Pumps. Tierod sleeves/Cognito braces.17x9 Moto metals_______ Old Truck ,04 Z-71/Turbocharged,/cam/stall/Zippy Built TRANS/Nelson Tuned------

  3. #3
    Join Date
    Jun 2004
    Location
    george west texas
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    3,694
    damn..that is an awsome time !!!! are you 2 or 4 wheeling it....
    '13 silverado LT...stock

    '11 lt 4x4 z71..tvs1900

    '01 gmc twins 6.0 jakes 400 ladder bars w/ coilovers tuned by nelson performance

  4. #4
    Join Date
    Aug 2005
    Posts
    383
    <div class='quotetop'>QUOTE(Tim Z &#064; Jul 8 2006, 04&#58;33 AM) [snapback]57433[/snapback]</div>
    that is so freakin Awesome Roger&#33;&#33; 12.7&#39;s are outta this world &#33;&#33;&#33; i bet people dont even know what hit em.Congrats on the new time&#33;&#33; Cowl hoods look sweet on our trucks, That had to piss ya off to get a ding in the fender though , go see the dent wizard. How much boost are you running? Im hoping to raise up 2 more psi and net some lower times. Nice Work Again Rog&#33;&#33;&#33;
    [/b]
    I don&#39;t get much street action but always get a lot of attention at the track. Guys that I out run asking what the f*** have you done to that thing. In general people that are curious about the fast truck. No bigger compliment than having a group of 6 or 7 come up after a run to look at the truck. Parked right next to a late model Cobra that just ran 11&#39;s or such and nobody even looking at it. The other funny thing I&#39;ve noticed now are the gang of ricers sitting back in the staging lanes and picking something domestic they think they can out run and diving into line beside them. First time I hit the staging lanes usually I&#39;ll have 3 or 4 ricers almost race to get lined up beside me. Doesn&#39;t happen the second runs or so.

    I am really liking the hood. Makes the truck look a little more sporty but not screaming look at me... I especially like the look out of the windshield when driving.

    Running 9psi now. I am about out of boost. No knobs to turn like you turbo guys. There is only one more pulley size I can drop to and it MIGHT net me 1 more psi of boost.

    03 Chevy ECSB, Z71, 6.0L(LQ4), Maggie @ 9PSI, 4l80E, PI Vig 2800, Detroit True-Trac, 4.10, 90mm LS2 TB, Meth Injection, HSW Dry N20, LPE GT7 Cam, 918 springs, Dynatech LT's, Hi Flow cats, custom stainless exhaust, DMH cutouts, DJM Suspension Drop, E-Fans, AirAid, HPT 2Bar SD Tuned, 11.68 @ 114.2

  5. #5
    Join Date
    Nov 2005
    Location
    ohio
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    i want to turn my knob to the " 12.7 " setting&#33;&#33; LOL&#33;
    07 SILVERADO CLASSIC 2500 HD 4x4 CREW CAB LT3 DURAMAX LBZ/ALLISON 6 SPEED 5'' MBRP Turbo back exhaust 6'' TIP /NO CAT- NO MUFF/ AFE Intake/ EDGE HOT JUICE /MERCHANT AUTO STG III Built Allison/P I ConverterTTS Twin Lift Pumps. Tierod sleeves/Cognito braces.17x9 Moto metals_______ Old Truck ,04 Z-71/Turbocharged,/cam/stall/Zippy Built TRANS/Nelson Tuned------

  6. #6
    Join Date
    Aug 2005
    Posts
    383
    <div class='quotetop'>QUOTE(bud8fan &#064; Jul 8 2006, 05&#58;02 AM) [snapback]57436[/snapback]</div>
    damn..that is an awsome time &#33;&#33;&#33;&#33; are you 2 or 4 wheeling it....
    [/b]
    Thanks, every .1 I improve now is a big thing to me.

    Kind of both. Launch 4 then go 2 after the 1-2 shift. I know the transfer case doesn&#39;t put power to the front when I do this on the track but under load I&#39;m almost certian the front diff doesn&#39;t disengage.

    03 Chevy ECSB, Z71, 6.0L(LQ4), Maggie @ 9PSI, 4l80E, PI Vig 2800, Detroit True-Trac, 4.10, 90mm LS2 TB, Meth Injection, HSW Dry N20, LPE GT7 Cam, 918 springs, Dynatech LT's, Hi Flow cats, custom stainless exhaust, DMH cutouts, DJM Suspension Drop, E-Fans, AirAid, HPT 2Bar SD Tuned, 11.68 @ 114.2

  7. #7
    Join Date
    Apr 2005
    Posts
    4,229
    <div class='quotetop'>QUOTE(KySilverado &#064; Jul 8 2006, 11&#58;15 AM) [snapback]57460[/snapback]</div>
    I don&#39;t get much street action but always get a lot of attention at the track. Guys that I out run asking what the f*** have you done to that thing. In general people that are curious about the fast truck. No bigger compliment than having a group of 6 or 7 come up after a run to look at the truck. Parked right next to a late model Cobra that just ran 11&#39;s or such and nobody even looking at it. The other funny thing I&#39;ve noticed now are the gang of ricers sitting back in the staging lanes and picking something domestic they think they can out run and diving into line beside them. First time I hit the staging lanes usually I&#39;ll have 3 or 4 ricers almost race to get lined up beside me. Doesn&#39;t happen the second runs or so.

    I am really liking the hood. Makes the truck look a little more sporty but not screaming look at me... I especially like the look out of the windshield when driving.

    Running 9psi now. I am about out of boost. No knobs to turn like you turbo guys. There is only one more pulley size I can drop to and it MIGHT net me 1 more psi of boost.
    [/b]
    Do you have or have you thought about the 90 MM TB conversion? Seems there is a lot of improvement there.
    Gone, but not forgotten!

  8. #8
    Join Date
    Aug 2005
    Posts
    383
    <div class='quotetop'>QUOTE(SCIV &#064; Jul 8 2006, 10&#58;24 AM) [snapback]57463[/snapback]</div>
    Do you have or have you thought about the 90 MM TB conversion? Seems there is a lot of improvement there.
    [/b]
    I don&#39;t have it and am still on the fence about getting it. It is an expensive mod. I think it was hyped a bit as a big improvement but I&#39;ve talked to a couple buddies that have done it and it hasn&#39;t panned out to be all that some are saying. There is also the issue of the TB not opening all the way for some and nobody has figured out exactly the combination of TAC (Throttle Actuator Control), OS version, TB that works.

    I will probably wind up with it. It has to be an improvement, I just don&#39;t expect to see what some are claiming. I am seeing some weird airflow in 3rd gear that might point to an intake restriction. I need to pull my air filter couple trips down the track to test. If I see improvements there it will move up on the mod list.


    <div class='quotetop'>QUOTE(Tim Z &#064; Jul 8 2006, 10&#58;21 AM) [snapback]57461[/snapback]</div>
    i want to turn my knob to the " 12.7 " setting&#33;&#33; LOL&#33;
    [/b]
    It is probably a good thing that I don&#39;t have a "boost" knob. Just to damn tempting.

    03 Chevy ECSB, Z71, 6.0L(LQ4), Maggie @ 9PSI, 4l80E, PI Vig 2800, Detroit True-Trac, 4.10, 90mm LS2 TB, Meth Injection, HSW Dry N20, LPE GT7 Cam, 918 springs, Dynatech LT's, Hi Flow cats, custom stainless exhaust, DMH cutouts, DJM Suspension Drop, E-Fans, AirAid, HPT 2Bar SD Tuned, 11.68 @ 114.2

  9. #9
    Join Date
    Apr 2005
    Posts
    295
    KySilverado - way to go&#33;&#33;&#33; Although...ughh another truck that can beat me by a second or more. I&#39;m clinging to my N/A aspect faithfully (that and there&#39;s no way I&#39;ll ever be able to afford the conversion to FI ... LOL)

    I&#39;m curious - the E-Fans .... was there any improvement there other than heating/cooling or was it just for asthetic purposes?

    Extended cab running 12s....gotta be some records for that somewhere...
    93 Ext Cab w/ 99&#39; LS1, AFR 205cc heads milled to 59cc, G5X2 cam (232/240 .595/.608@114LSA), Edel LS1 headers, 6.0L intake
    Edel IAS shocks, Hotchkis front/rear antisway bars, 3.73 Axle w/ 8.5" -10-bolt w/ Eaton Posi

  10. #10
    Join Date
    Aug 2005
    Posts
    383
    <div class='quotetop'>QUOTE(93Ext5.7ltr &#064; Jul 8 2006, 03&#58;46 PM) [snapback]57492[/snapback]</div>
    KySilverado - way to go&#33;&#33;&#33; Although...ughh another truck that can beat me by a second or more. I&#39;m clinging to my N/A aspect faithfully (that and there&#39;s no way I&#39;ll ever be able to afford the conversion to FI ... LOL)

    I&#39;m curious - the E-Fans .... was there any improvement there other than heating/cooling or was it just for asthetic purposes?

    Extended cab running 12s....gotta be some records for that somewhere...
    [/b]
    I didn&#39;t really feel any improvement performance wise with the e-fans but that was the primary reason for installing them. Did gain a bit of cooling capacity with a 34" radiator. Did loose the airplane sound of the stock fan, did clean up and add a bit of room in the engine bay. Also gained about 1 mile per gallon fuel mileage.

    Record... there are a lot of fast trucks these days. Guessing the truck would be toward the top of the list for a ECSB Z71. The 12.73 is just as I drive it around daily. Tailgate, spare tire, hitch, seats everything in/on it.

    03 Chevy ECSB, Z71, 6.0L(LQ4), Maggie @ 9PSI, 4l80E, PI Vig 2800, Detroit True-Trac, 4.10, 90mm LS2 TB, Meth Injection, HSW Dry N20, LPE GT7 Cam, 918 springs, Dynatech LT's, Hi Flow cats, custom stainless exhaust, DMH cutouts, DJM Suspension Drop, E-Fans, AirAid, HPT 2Bar SD Tuned, 11.68 @ 114.2

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