Christian Steffen
Last Activity:
May 13, 2021 at 1:37 PM
Joined:
May 31, 2016
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  1. Blackwater
  2. BlastingBat998
  3. Jeffro87
  4. Chris Knudson
  5. TKerr
  6. White96k2500
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Gender:
Male
Location:
Yankton, SD
Occupation:
Mechanical Engineer

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Christian Steffen

I'm Awesome, Male, from Yankton, SD

Christian Steffen was last seen:
Viewing thread The Official Vortec 454 Info thread, May 13, 2021 at 1:37 PM
    1. onewheelmik
      onewheelmik
      Hi Christian. My name is Mike and I just read an older post you created about an o2 sensor issue. I just did a swap from a 4.3 to a 5.3 with triangular upstream o2 sensors. I'm throwing codes due to inactivity. I'm pretty sure I'm having ground issues as I tested for power and continuity. Both test ok. Are you able to tell me how you tied in the ground reference? Any help is very much appreciated. Thank you! Mike
      May 5, 2020
      1. Christian Steffen likes this.
      2. Christian Steffen
        Christian Steffen
        Luckily i was able to find the old post lol

        To fix this, you need to tie the low reference wires (C1 26 & 29) to C1 63, which is a ground reference.

        The exact pins might not be the same on your ecm depending on application. Do you have an ecm pinout sheet to see which pins are which?
        May 5, 2020
    2. Kingjames
      Kingjames
      Hello sir can you send me the 454 file u have it will help me alot [email protected] thank you
      Apr 22, 2019
      2. Christian Steffen
        Christian Steffen
        You mean a tune file for hp tuners?
        Apr 22, 2019
    3. Chris Knudson
      Chris Knudson
      Hello Christian I am looking for someone to tune my 1997 GMC k3500 454 for being bored .030 over run a Comp XE CAM part# k01-412-8 long tube headers and true dual exhaust. i saw that you had posted that you had your mail order tuned im from Huron SD and have been told to get ahold of Dynotune in Watertown and have had no luck
      Nov 22, 2017
      2. View previous comments...
      3. Christian Steffen
        Christian Steffen
        And a dyno tube, if done well, would be the best.
        Nov 22, 2017
      4. Chris Knudson
        Chris Knudson
        Well to make tuning eaiser for any future upgrades the 0411 computer look like the way to go. Does it matter what it comes out of. Is one make/model easier to deal with than others.
        Nov 27, 2017
      5. Christian Steffen
        Christian Steffen
        01 or 02 express van with the 5.7 and 4l80e would be the best option.
        Nov 27, 2017
    4. brokentruck
      brokentruck
      hello christian my name is tyson. i have a 98. with a 350 auto 4x4. do u have a pinout that would work for me? lextech hasnt responded. thank you.
      Sep 21, 2017
      2. Christian Steffen
        Christian Steffen
        Unfortunately I don't, all I have is the 454 file. Sorry
        Sep 22, 2017
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  • About

    Gender:
    Male
    Location:
    Yankton, SD
    Occupation:
    Mechanical Engineer
    Name:
    Christian Steffen

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    2000 K2500 ccsb
    489 Stroker - Rear Mount Turbo - Comp XE270HR
    0411 Swap - 2 Bar SD OS
    JBA Headers

    2011 Silverado 2500 CCSB
    LTZ, Z71, LML
    Tuned and Deleted
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