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Thread: 500+ Radix 5.3L

  1. #1
    Join Date
    Mar 2003
    Location
    San Antonio, TX
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    Hey Guys, I tuned a truck a while back, it had the following.

    5.3L, worked heads, cam, 100sho NOS, Radix, 10psi.

    I need to go look at the numbers again to be exact, but it laid down more than 500hp to the wheels! Just a little over like 503, and lots of torque.

    How does that stack up against other similar mods and HP output?


    hey budfan and jerry
    I just found out that the '05 reg cab HD 6.0L truck I put an STS on put 420 to the wheels and 530torque from a stock engine w/ sts.
    I'm going to try and get him back in for a retune and maybe we can reach 450hp, it was kind of on the safe side, rich a/f ratio.

    later,

    allen

  2. #2
    Join Date
    Jun 2004
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    george west texas
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    3,694
    damn allen...you gettin better and better at that stuff...i guess this kinda thumbs the nose up on the " dont buy a mail order tune " guys
    '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. #3
    Join Date
    Nov 2003
    Location
    Denton Texas
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    20,540
    Hmmmmm....decent numbers. Sounds like you left a lot on the table. Was it a base kit or upgraded turbo? How much boost was it pushing?
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #4
    Join Date
    Jul 2005
    Location
    modesto, ca
    Posts
    173
    Originally posted by farmtruc@Oct 29 2005, 06:38 PM
    Hey Guys, I tuned a truck a while back, it had the following.

    5.3L, worked heads, cam, 100sho NOS, Radix, 10psi.

    I need to go look at the numbers again to be exact, but it laid down more than 500hp to the wheels! Just a little over like 503, and lots of torque.

    How does that stack up against other similar mods and HP output?


    hey budfan and jerry
    I just found out that the '05 reg cab HD 6.0L truck I put an STS on put 420 to the wheels and 530torque from a stock engine w/ sts.
    I'm going to try and get him back in for a retune and maybe we can reach 450hp, it was kind of on the safe side, rich a/f ratio.

    later,

    allen
    Now thats what I'm talkin' about! RADIX POWER!!!
    http://i10.photobucket.com/albums/a1...dited-copy.jpg
    2007 Sierra crew 5.3 4wd, stock for now
    2004 Sierra scsb 5.3 - sold
    02 Z28 SLP cold air pack, Corsa exh, Center Force dual friction + 23 lb flywheel
    66 Chevy C20 (collecting dust)

  5. #5
    Join Date
    Jan 2005
    Location
    Conway, AR
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    1,353
    Damn Allen, your a badass at this voodo stuff! I want a radix or turbo! After college its definately in the mix. This would be a good thread to throw at the Westers guys on Chevy Truck World. lol

    Chris
    2009 Silverado, HPTuners, all stock.

  6. #6
    Join Date
    Mar 2003
    Location
    San Antonio, TX
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    Originally posted by chrisj6@Oct 30 2005, 12:04 AM
    Damn Allen, your a badass at this voodo stuff! I want a radix or turbo! After college its definately in the mix. This would be a good thread to throw at the Westers guys on Chevy Truck World. lol

    Chris
    I never visit that site, but if they'd enjoy the power results go fo it, I'll get the dyno chart posted first, I have other dyno charts to post too.
    I'll go burn them on cd.

    thanks,

    allen

  7. #7
    Join Date
    Mar 2003
    Location
    San Marcos Texas
    Posts
    4,393
    Man nice HP number, but the TQ is outragous!
    2006 Superior Blue Trailblazer SS AWD, Stock as a rock

    Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).

    Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning

  8. #8
    Join Date
    Jan 2005
    Location
    Conway, AR
    Posts
    1,353
    Yeah i dont go over there very often since I found this site, I'd like to show the dyno results over there if its ok with you Allen. Those numbers are awesome!

    Chris
    2009 Silverado, HPTuners, all stock.

  9. #9
    Join Date
    Apr 2004
    Posts
    231
    Originally posted by farmtruc@Oct 29 2005, 05:38 PM
    Hey Guys, I tuned a truck a while back, it had the following.

    5.3L, worked heads, cam, 100sho NOS, Radix, 10psi.

    I need to go look at the numbers again to be exact, but it laid down more than 500hp to the wheels! Just a little over like 503, and lots of torque.

    How does that stack up against other similar mods and HP output?


    hey budfan and jerry
    I just found out that the '05 reg cab HD 6.0L truck I put an STS on put 420 to the wheels and 530torque from a stock engine w/ sts.
    I'm going to try and get him back in for a retune and maybe we can reach 450hp, it was kind of on the safe side, rich a/f ratio.

    later,

    allen
    was that 503rwhp without N2O?
    2005 Chevrolet Silverado 2500HD ECSB 2WD
    365 CID motor built by "Rex", Magnuson TVS 2300,WCCH StageII LQ9 heads, EDC Cam, SW Headers, Magnaflow Exhaust, CPT 4L80E, PI 2800 TC, TRACK: Real Racing 16x12 wheels, M&H DOT Cheater Slicks, STREET: Intro Pentia 8 20x10 wheels, BFG KDW's
    2008 Nissan Frontier KC VQ40 V6 AUTO 2WD.....Daily Driver
    2002 Honda CBR954RR


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