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Thread: how power does your 12 sec truck make??

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  1. #1
    I dont know how fast mine is and I dont know how much power. All I can say is not enough power and not quick/fast enough.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  2. #2
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    410 hp/38x TQ = 12.19@110. now im sitting above 430 HP hoping for 11's N/A

    old mod list: H/C/I/N/E/G 408
    new mod list: 5.3, gears/posi, mufler and tune : (

  3. #3
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    Somewhere around 500...latest run was 12.93 @ 111. Truck weighs 5600# last time I checked.

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

  4. #4
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    Quote Originally Posted by rutroe View Post
    ...latest run was 12.93 @ 111...
    Reeeaallllly........hmmmmm.....guess I'll have to go to Allen's and crank the boost....

    Nice time! What's your 60ft?

    2004 Silverado Crew Cab, forged iron 5.7, STS w/MP turbo, 10+ psi, FMIC, Tial 50mm BOV, Vic Jr, Snow performance meth, MTI Stealth cam .220/.220 .581/.581 115lsa, Comp chromoly pushrods, Yank TT3000 stall, LS1 Efans, 160 tstat, Trucool 40k trans cooler, 60# injectors, Walbro fuel pump, Patriot springs, Built 4l65E w/billet input & output shafts, Eaton posi, SD tuned...all installed by Klein North Automotive

  5. #5
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    Quote Originally Posted by Sleaper View Post
    Reeeaallllly........hmmmmm.....guess I'll have to go to Allen's and crank the boost....

    Nice time! What's your 60ft?
    2.1 60'...still sux. That's just a lot of truck to get rolling...(that's my excuse anyway)

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

  6. #6
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    Quote Originally Posted by TXsilverado View Post
    410 hp/38x TQ = 12.19@110. now im sitting above 430 HP hoping for 11's N/A
    Dang, what is my issue. I did right at 450 hp and Tq and that was with the 4.8. With the 5.3 the i dont know the dyno numbers i would think it went up. Still only running 13.1@104. With 3.23 gears, and 2600 stall
    Name: Mark,
    God created turbo lag so nitrous trucks could have a chance.


    http://www.ls1truck.com/forums/my-ga...tml#post274877

  7. #7
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    Quote Originally Posted by SLO TRUCK View Post
    Dang, what is my issue. I did right at 450 hp and Tq and that was with the 4.8. With the 5.3 the i dont know the dyno numbers i would think it went up. Still only running 13.1@104. With 3.23 gears, and 2600 stall
    Maybe a gear change would help you out.
    2000 Silverado ECSB- 5.3 CAI, Pacesetter LTs, ORY- Pipe, Magnaflow XL, E-fan, Ported T/B , Nelson Tuned, Built 4l60e, Circle D Stall, 3.42s G80, 2-4 Drop, Hertz Highs, Rockford 501s

    2004 Buell XB12s

    Quote Originally Posted by LamboDoNoMo View Post
    "Never give up, NEVER BACK DOWN!!!"

  8. #8
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    Quote Originally Posted by TXsilverado View Post
    410 hp/38x TQ = 12.19@110. now im sitting above 430 HP hoping for 11's N/A
    i really thought you would be making more than that NA.


    Quote Originally Posted by SLO TRUCK View Post
    Dang, what is my issue. I did right at 450 hp and Tq and that was with the 4.8. With the 5.3 the i dont know the dyno numbers i would think it went up. Still only running 13.1@104. With 3.23 gears, and 2600 stall
    gears and a stall would be your best friend move up to a 3:73 gear and a tight 3200
    Simple: 408 on steroids!
    single digits coming soon!

  9. #9
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    Quote Originally Posted by skeet View Post
    i really thought you would be making more than that NA.




    gears and a stall would be your best friend move up to a 3:73 gear and a tight 3200
    i did 409 with the ls6 intake manifold and 226 cam.

    i swapped to the 231/239 and put down 229 hp...then i added the ported fast 90mm and havent been to a dyno. dont put too much thought into dyno numbers. its all about how it does ont he track.

    i would like to see your current dyno chart.

    old mod list: H/C/I/N/E/G 408
    new mod list: 5.3, gears/posi, mufler and tune : (

  10. #10
    Join Date
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    Quote Originally Posted by TXsilverado View Post
    i did 409 with the ls6 intake manifold and 226 cam.

    i swapped to the 231/239 and put down 229 hp...then i added the ported fast 90mm and havent been to a dyno. dont put too much thought into dyno numbers. its all about how it does ont he track.

    i would like to see your current dyno chart.

    that 229 is a typo ( right lol )

    working on putting the LSXr car intake on now, ran into a few bugs BUT i'll get it straighted out

    hoping to see closer to my quest for 500 to the wheels, 480-490 i might be happy lol.. but i doubt it

    i dont see anything else i can do with bolts ons!!

    guess plan B may happen sooner !!!
    Simple: 408 on steroids!
    single digits coming soon!

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