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  1. Replies
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    1,222

    Thank you for the info. I am familiar with the...

    Thank you for the info. I am familiar with the tuning process and tuned my truck after a cam upgrade, I just haven't tuned on a boosted vehicle or for race gas yet.
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    6th gen zl1 Ethanol tuning

    So I have a few questions in regards to ethanol tuning.
    1. How much ethanol can be added without needing to modify your tune and will it add anymore power?
    2. If question 1 doesn't add anymore...
  3. Thread: New to HP Tuners

    by jjs
    Replies
    3
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    3,145

    You can tune it with the stock oxygen sensors as...

    You can tune it with the stock oxygen sensors as well, just not WOT tuning. You can dial in your VE tables though.
  4. Thread: Dyno tune help?

    by jjs
    Replies
    14
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    3,290

    A log is a .hpl file format.

    A log is a .hpl file format.
  5. Great information

    Great information
  6. Thanks for the information lt1z350. I will look...

    Thanks for the information lt1z350. I will look into gathering what I need to do the swap as my 4l70 has seen its better days.
  7. More than likely you'll need to copy over the...

    More than likely you'll need to copy over the short pulse adder and offset tables from the supplied injector data.
  8. You are going to need to start by researching...

    You are going to need to start by researching scaling your injectors. There is lots of information on it in this forum, do a search. I've read up on it and am going to do it soon.
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    Injector recommendations for an 07 Silverado

    What injectors are recommended for an 07 Silverado? I am interested in making around 5-600hp boosted and am not sure what brands work well with hp tuners. Will Fast, Racetronics, or DeatscheWerks be...
  10. Interested in this conversion. What did the...

    Interested in this conversion. What did the tranny come out of/where did you source it?
  11. Thread: VVE Tuning

    by jjs
    Replies
    33
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    14,280

    Not sure if this was your question, but this is a...

    Not sure if this was your question, but this is a good video on setting up some filter parameters.

    https://www.youtube.com/watch?v=_3Va9NyuM8U
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    Oscillation at idle on startup

    I have an oscillation on cold start. Attached is a log of the issue, any help would be greatly appreciated as it is quite annoying. Thanks in advance!
    84275
    84276
  13. Thread: Random Misfire

    by jjs
    Replies
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    4,232

    Why would my vve be backwards? Afr looks good...

    Why would my vve be backwards? Afr looks good according to the wideband. Vve was corrected based off of vve afr error histogram.
  14. Thread: Random Misfire

    by jjs
    Replies
    11
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    4,232

    I have one of the o2's removed for wideband...

    I have one of the o2's removed for wideband installation maybe causing the low sensor voltage? Should I be using narrowband for everything but WOT tuning? I wasnt aware that the removed sensor would...
  15. Thread: Random Misfire

    by jjs
    Replies
    11
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    4,232

    Will do. Could you elaborate as to the...

    Will do. Could you elaborate as to the "backwards" VVE? I have been working at dialing in the VVE according to the methods I have researched within this forum. Thanks
  16. Thread: Random Misfire

    by jjs
    Replies
    11
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    4,232

    I will play with the timing as suggested in your...

    I will play with the timing as suggested in your link and see what she does. Thank you
  17. Replies
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    WOT AFR can be modified in the MAF table.

    WOT AFR can be modified in the MAF table.
  18. Thread: Random Misfire

    by jjs
    Replies
    11
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    4,232

    Totally sounds similar to my problem. Whats weird...

    Totally sounds similar to my problem. Whats weird is that the code never shows up when running the truck in SD. I am having trouble figuring out how to get this cam to make power in lower RPM as it...
  19. Thread: Random Misfire

    by jjs
    Replies
    11
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    4,232

    Could the misfire be a result of one oxygen...

    Could the misfire be a result of one oxygen sensor being removed but still plugged in? TIA
  20. Thread: Random Misfire

    by jjs
    Replies
    11
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    4,232

    Here are a couple of logs and the tune file....

    Here are a couple of logs and the tune file. 824248242582426
  21. Thread: Random Misfire

    by jjs
    Replies
    11
    Views
    4,232

    Random Misfire

    Can injection timing or some other variable cause a random misfire? I recently changed my cam and make good power at WOT when I hit from 3000 rpm up and don't get a misfire code. If I smash WOT from...
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    Right click the graph area and select graphs...

    Right click the graph area and select graphs layout, select the table that you would like to edit and setup the parameter to long/short term fuel trim sensor, setup your column and row axis to RPM VS...
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    Seems legit with intake air temps around 110.

    Seems legit with intake air temps around 110.
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    I think its just the computer at work not seeing...

    I think its just the computer at work not seeing it for some reason. I pulled it up on my laptop and I can see it now. I cant see anything in torque management that is causing the issue. I wouldn't...
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    It wont let me view attachment

    It wont let me view attachment
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