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Thread: track times disapointed........

  1. #11
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    Agree.

    The minimal gain in short times is probably better leverage of the gears vs. worse traction but laying over up top is a problem as is the vibration.

    Where are you shifting it?

  2. #12
    Slimsilverado Guest
    Ditch the double dueces......

  3. #13
    Join Date
    Apr 2009
    Location
    Richardson
    Posts
    151
    Have u got a tune, man w/ that cam, stall & gear u should putting down some good times. I'm running a LS1 218/500 cam w/ stock trans and convertor w/ 373's. and Running mid 14's on motor..
    2000 sil.ext. 5.3 / Lingenfelter Ls1 cam / LS1 valves / Ported / Milled / 35lb injectors / 80mm tb / E-fans / cold air intake / Pacesetter Cer LT's w/3"ory/ JET-DST / MSD Twister / Corvette Servo / 3.73's / 125 N2O / no cats / Flowmaster exhaust / level rear drop / Rear sway bar / SS wheels / 285/50R20 Goodyears / 05 Tail lites

  4. #14
    Join Date
    Feb 2009
    Location
    Seminole TX
    Posts
    17
    the cam and stall were installed by texas speed and performance the gears i installed myself but it was all tuned by texas speed i dont know really when it shifts but i know when it hit 3rd it starts to vibrate i think its rite at 80mph. do yall think the times and the vibration have to do wit the gears?
    2005 5.3 comp cam 220/220/581/581.lsa12...volant cai....3000 vigilante stall... 4.10s..Detroit truetrack lpp long tubes with ory to a flowmaster turndown 22"BOSS with 285/35s Nitto NT555s

  5. #15
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    if you're in third gear at 80, what rpm are you at? That is the RPM you need to have the driveshaft balanced at. If your local shop can't do it, find one that can. Also, see how much slip yoke engagement you have. Your slip yoke should not have more than 1" of slide before it bottoms out, otherwise it can wobble on the splines and cause an imbalance. Also be sure your tires are balanced at the speed in question, if possible. Most shops don't have adjustable speed balancers for tires.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #16
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    Mine shifts to 3rd at 5900 near 80 and I have about the same height tire combo so it's close to what it should be.

  7. #17
    Join Date
    Feb 2008
    Location
    Arizona
    Posts
    648
    I ran 15.88 with just shorties, cai, catback and fast flash programmer.. I have the same cam, stall & gears as you do now, will be getting times soon and will let you know how I do..
    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

  8. #18
    Join Date
    Nov 2007
    Location
    THE MEAN STREETS OF OKLAHOMA
    Posts
    11,120
    sorry bout the bad luck man, real quick how long did you drive on those new gears before hittin the track and how long before you went and hammered on it?, suprised this hasnt been asked yet.
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
    2023 BUICK ENCORE[/B]

    The difference between winning and losing, is having a 2nd stage.

  9. #19
    Join Date
    Feb 2009
    Location
    Seminole TX
    Posts
    17
    I put about 100 miles before I hit the track and gave it about 5 heat cycles before I got on it
    but still took it easy
    2005 5.3 comp cam 220/220/581/581.lsa12...volant cai....3000 vigilante stall... 4.10s..Detroit truetrack lpp long tubes with ory to a flowmaster turndown 22"BOSS with 285/35s Nitto NT555s

  10. #20
    Join Date
    Nov 2007
    Location
    THE MEAN STREETS OF OKLAHOMA
    Posts
    11,120
    ok, thats what i was wondering.
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
    2023 BUICK ENCORE[/B]

    The difference between winning and losing, is having a 2nd stage.

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