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Thread: Understanding the Racetrack

  1. #11
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    I see what you're saying, you didn't mention bracket racing, yes, that's true, I was still on the topic of test and tune night.
    Thanks for the clarification,

    Regardless of reaction time, I still win, hahahah JK

    see ya later,
    allen

  2. #12
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    ohhh dude...toooo much info...makes me dizzzy
    '13 silverado LT...stock

    '11 lt 4x4 z71..tvs1900

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

  3. #13
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    Denton Texas
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    <div class='quotetop'>QUOTE(bud8fan &#064; May 19 2006, 12&#58;45 PM) [snapback]53581[/snapback]</div>
    ohhh dude...toooo much info...makes me dizzzy
    [/b]
    It helps when you&#39;re a little off balance to begin with.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #14
    Join Date
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    621
    I don&#39;t think they add your reaction time to your E.T. it&#39;s just the simple fact that a .500 light is exactly when the green light comes on(5 tenths of a sec. between each light coming down the tree)so the later that you leave obviously the longer it will take to get to the other end. The timer does not start until you have broken the starting beams, time only or bracket racing eather one it doesn&#39;t matter. A pro tree is 4 tenths of a second between all the lights coming on and the green coming on therefore a perfect light for the pros is a .400.

    [1/8 mile E.T. - 8.23 @ 82.86 mph w/1.82 60&#39;] &#39;98swb,4/6drop,20"RozziDeeps on 275/40ToyoProxes &#39;98LS1/4L60E,TRCheaTR cam,Ported TB,Billet MAF ends,MSD8.5 superconductor wires,S&P midlengths,&#33;EGR,&#33;cats,2 1/2" true duals w/X-pipe,Dynomax Ultraflows,TCI 3000,billet servo,TCI deep aluminum pan,3.73&#39;s w/Auburn posi; Eclipse CD, Rockford 6 1/2&#39;s, Memphis 12&#39;s, Punch 200 ix, Punch 500x

  5. #15
    Join Date
    Apr 2005
    Location
    springfield MO
    Posts
    226
    so when we post on here the ET it is what the truck ran not the sleeping time included. So if I run a 13.00 with a 2 second reaction time I would post on here 13.00 (of course I wont scan the sheet so nobody will know how tired I was that night)
    Anyway I am going to give it a shot tonight...

    should I try to log one of the runs?
    Dave
    1968 Chevy SWB Fleet. 2002 5.3 all stock (for now ) Nelson Tune 4l60e w/TB converter.
    ok not stock anymore...13.3 at 101
    Now with front mount turbo... new times soon

  6. #16
    Join Date
    Jan 2006
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    621
    <div class='quotetop'>QUOTE(custom 68 &#064; May 19 2006, 01&#58;08 PM) [snapback]53586[/snapback]</div>
    so when we post on here the ET it is what the truck ran not the sleeping time included. So if I run a 13.00 with a 2 second reaction time I would post on here 13.00 (of course I wont scan the sheet so nobody will know how tired I was that night)
    Anyway I am going to give it a shot tonight...

    should I try to log one of the runs?
    Dave
    [/b]
    Exactly

    [1/8 mile E.T. - 8.23 @ 82.86 mph w/1.82 60&#39;] &#39;98swb,4/6drop,20"RozziDeeps on 275/40ToyoProxes &#39;98LS1/4L60E,TRCheaTR cam,Ported TB,Billet MAF ends,MSD8.5 superconductor wires,S&P midlengths,&#33;EGR,&#33;cats,2 1/2" true duals w/X-pipe,Dynomax Ultraflows,TCI 3000,billet servo,TCI deep aluminum pan,3.73&#39;s w/Auburn posi; Eclipse CD, Rockford 6 1/2&#39;s, Memphis 12&#39;s, Punch 200 ix, Punch 500x

  7. #17
    Join Date
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    Location
    george west texas
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    <div class='quotetop'>QUOTE(RedHeartbeat &#064; May 19 2006, 12&#58;50 PM) [snapback]53583[/snapback]</div>
    It helps when you&#39;re a little off balance to begin with.
    [/b]
    found out what was wrong...watching jr go round charlotte speedway turning to the left and keeping an eye on this thread made me fall outta tha chair twice already
    '13 silverado LT...stock

    '11 lt 4x4 z71..tvs1900

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

  8. #18
    Join Date
    Nov 2005
    Location
    ohio
    Posts
    1,712
    <div class='quotetop'>QUOTE(bud8fan &#064; May 19 2006, 07&#58;51 AM) [snapback]53547[/snapback]</div>
    yep...i dropped a 1/2 second off my time with a restalled stock verter...
    allen there is more in yours if you can hot lap it...you will see a gain of 2 tenths or better for a couple since the turbo gets hotter every run and spools up better giving you a better et....that goes to anybody with a sts turbo system....
    [/b]
    I was wondering that my self, It seems when i first leave somewhere after my truck sits, the turbo actually is kinda quiet and it seems like its not doing a lot till you come to a stop , then take off again and THEN , the turbo comes to life, must be heat related huh? I was wondering when i go to the track if just doing a good long burnout would be helpful for the turbo cuz after sitting it doesnt work as good as when you drive it down the road and get it warm, then its ON&#33;&#33; Any other STS guys notice this?

    <div class='quotetop'>QUOTE(bud8fan &#064; May 19 2006, 03&#58;14 PM) [snapback]53589[/snapback]</div>
    found out what was wrong...watching jr go round charlotte speedway turning to the left and keeping an eye on this thread made me fall outta tha chair twice already
    [/b]
    HELL YEAH, Charlotte and JR.&#33;&#33;&#33;&#33; I just got excited as Kurt Bush almost wrecked&#33;&#33;&#33; ( ASSHAT&#33 The track looks slick but smooth, no more Humpy bumps&#33;

    Hey Alton, is this time RE-Levigation? LOL&#33; Cant leave well enough alone. JR.&#39;s house&#33;&#33;&#33;&#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------

  9. #19
    Join Date
    Jun 2004
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    george west texas
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    3,694
    <div class='quotetop'>QUOTE(Tim Z &#064; May 19 2006, 02&#58;23 PM) [snapback]53590[/snapback]</div>
    I was wondering that my self, It seems when i first leave somewhere after my truck sits, the turbo actually is kinda quiet and it seems like its not doing a lot till you come to a stop , then take off again and THEN , the turbo comes to life, must be heat related huh? I was wondering when i go to the track if just doing a good long burnout would be helpful for the turbo cuz after sitting it doesnt work as good as when you drive it down the road and get it warm, then its ON&#33;&#33; Any other STS guys notice this?
    yep...a longer burnout will help...also let the truck idle in the staging lane....

    HELL YEAH, Charlotte and JR.&#33;&#33;&#33;&#33; I just got excited as Kurt Bush almost wrecked&#33;&#33;&#33; ( ASSHAT&#33 The track looks slick but smooth, no more Humpy bumps&#33;
    [/b]
    yep...and the harder tires will make it a drivers race as well
    '13 silverado LT...stock

    '11 lt 4x4 z71..tvs1900

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

  10. #20
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    <div class='quotetop'>QUOTE(motoxlifer &#064; May 19 2006, 11&#58;58 AM) [snapback]53585[/snapback]</div>
    I don&#39;t think they add your reaction time to your E.T. it&#39;s just the simple fact that a .500 light is exactly when the green light comes on(5 tenths of a sec. between each light coming down the tree)so the later that you leave obviously the longer it will take to get to the other end. The timer does not start until you have broken the starting beams, time only or bracket racing eather one it doesn&#39;t matter. A pro tree is 4 tenths of a second between all the lights coming on and the green coming on therefore a perfect light for the pros is a .400.
    [/b]
    During bracket racing, reaction time has everything to do with winning. The slower your reaction time when bracket racing, the slower your overall time on the sheet.
    If you run a 13.0sec 1/4 mile and dial in at a 12.99 but your reaction time is .600, I run a 15.00sec with a reaction time is 14.99 and have a reaction time of .500, I win.
    They add your reaction time to your 1/4 mile time during competition only.

    So guys, when you&#39;re at the track, and you&#39;re practicing on how to launch, forget about the green light, let it set and take your time, don&#39;t worry about the reaction time.

    allen

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