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  1. Replies
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    Engine runs smooth on idle and while driving....

    Engine runs smooth on idle and while driving. Problem is only when MAP reaches 110kPa.

    Will do the health check first. Sometimes it throws white smoke on startup for like one second.
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    Hi. Turned out the knocking was not the...

    Hi.

    Turned out the knocking was not the source of the problem. The sensors were detecting knock due to the shaking of the engine. Now the knocking is gone.
    I had broken EVAP valve to manifold...
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    And can you check it without using credits?

    And can you check it without using credits?
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    Better fuel did not help. I will look for the...

    Better fuel did not help.

    I will look for the knocking source. I am not sure about what mods are in the engine. Do you know how to check if there's an aftermarket camshaft? Sorry guys of its...
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    Fuel is just regular EU 95 octane. The car is a...

    Fuel is just regular EU 95 octane. The car is a new purchase and it was working fine for a few weeks. The issue just came out suddenly a few days ago.
    I hope it is the shitty Schell Vpower fuel ;)
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    Hi. I've just found the same.... Will try better...

    Hi. I've just found the same.... Will try better fuel at first.
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    srt 6.4L - shaking while mid throttle

    Hi,

    I have a problem with 2016 scat pack. While mid-trhrottle the car does not have full power and is shaking a little. while WOT I don't see it, but maybe that;s because there is higher RPM and...
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    Hi, the wideband is OK, it works fine with other...

    Hi, the wideband is OK, it works fine with other cars. I use the wideband stuck in the exhaust for speed density tuning.

    There's not any integrator table. I read on other threads that it is not...
  9. Replies
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    Hi I installed long tubes on LS2 corvette...

    Hi
    I installed long tubes on LS2 corvette (6.0L).
    I installed a harness extensions because the wires were to short, and something is not right. I checked with VCM, that the LTFT and STFT works...
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    Thanks In the tune 1st and 2nd gear TCC is...

    Thanks

    In the tune 1st and 2nd gear TCC is disabled (apply speed is 158mph)

    The car probably won't be tuned now, maybe next year, but now we want to be sure the converter is not damaged. Is...
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    6L80e torque converter slip

    Hi,

    COuld someone advise me if this tcc slip is in normal range? Stock tune, stock converter.
    2007 COrvette 6.0L.

    It silps everytime i push the accelerator pedal.

    I'm wondering if this...
  12. I was investigating this issue further and I...

    I was investigating this issue further and I noticed, that the low rpm knock occurs mainly while half-clutch when taking off. What do you think of it? Has anyone noticed knock in these areas?

    Car...
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    I checked again with MAF and MAP. Both are stable...

    I checked again with MAF and MAP. Both are stable while TPS is jumping:
    117863

    But then sth strange happened. I dragged the window to make the charts layout larger and after I resized the window...
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    Hi. N/a. Not boosted. Stock intake. Stock...

    Hi.
    N/a. Not boosted. Stock intake. Stock throttle body.

    I don't feel any fluctuations while driving. Shall I remove the intake tube to check if the blade is moving?

    Idle also stable.

    I...
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    TPS jumping up and down all the time

    Hi,

    Recently I noticed that my throttle position sensor is reporting an unstable signal.

    It rapidly changes up and down few %. The higher TPS value, the higher the amplitude is.

    Can anyone...
  16. No issues with the speedo Car is manual and has...

    No issues with the speedo
    Car is manual and has OEM wheels.
    I will investigate the octane adjust first as engineeringmike suggested.
  17. Hi, Thanks I saw that before, but thought this is...

    Hi, Thanks I saw that before, but thought this is impossible that all adders and multipliers could add like 20 and more degrees of spark to the borderline

    Will check it ...
  18. Can't get rid of knock on 1000-2000RPM 0,5-0,9 Load

    Hi.
    1st gen Coyote issue.

    I've been trying to dial in the spark Borderline tables for a few weeks and I am still getting knock in low rpm areas.

    I have a very retarded spark in this areas...
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    That would be a good idea to make the EQ ratio...

    That would be a good idea to make the EQ ratio leaner at low loads like in GM. Looked everywhere but couldn't find a way to do that. I wonder why it is not possible ?
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    Hi murfie, I've been trying to figure out for...

    Hi murfie,

    I've been trying to figure out for a few days but with no success, so I need to ask for explanation.

    Why do you paste the load readings from the histogram with modified torque...
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    HI guys. Can you tell me where do you...

    HI guys.

    Can you tell me where do you physically install the external MAP sensor to the coyote while tuning?
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    Sticky: This is a very good explaination of Speed...

    This is a very good explaination of Speed Density, and makes it easy to tune a Speed Density-only car.

    Unfortunatelly I get confused whith Coyote which is MAF only

    Can someone guide me...
  23. wouldn't it be better to disable all mapped...

    wouldn't it be better to disable all mapped points but one -> log that one, then do the same with another mapped point etc.?
  24. Replies
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    thanks! that's what I thought. This tune makes no...

    thanks! that's what I thought. This tune makes no sense as long as you have cats in my opinion :) the sound is not also like the old cars :)
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    Hi there, I have a question for witch I think...

    Hi there,
    I have a question for witch I think there wasn't answer anywhere here in the thread.

    If you make this ghost cam tune in a car that has cats installed - the only issue you get is damage...
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