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  1. Replies
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    Did you check and see if the throttle body is...

    Did you check and see if the throttle body is actually opening only 38%? With the car off, and the key on - press the pedal all the way down and see if its going to 100%. My LS2 E40 corvette only...
  2. Yeah unfortunately I can't use the whole boost...

    Yeah unfortunately I can't use the whole boost table since it is only 2 bar but it works great for what I need. Part number is 12580698.

    Thanks again for your help - I think the double stoich...
  3. I am running a cobalt 2 bar sensor. The values...

    I am running a cobalt 2 bar sensor. The values are correct as far as I know.

    As for the double stoich / half injector flow rate - I am running half injector flow rate right now, and I was told...
  4. Yeah - AC pressure. ([7101.10]/.5)+9.55 is the...

    Yeah - AC pressure.

    ([7101.10]/.5)+9.55 is the formula
  5. 56634 56635 56636 Attached is the...

    56634
    56635
    56636

    Attached is the log/tune/layout (using HPTuners 3.0). All g/cyl in the tune has been halved because E40 ECU cannot do > 60lb injectors. The car runs great minus this question...
  6. I will post the log + tune once I am home. I have...

    I will post the log + tune once I am home. I have LTFT disabled. The car is running in closed loop for part throttle but immediately goes OL once I go wide open. Thank you for your help!
  7. I see what you mean but my worry is the whole...

    I see what you mean but my worry is the whole pull is like this. From 3500 RPM to 6000, i'm around 11.4-11.5 on the second pull and 11.9-12.0 on the first pull. If there variance is that high...
  8. Same tune - back to back tests - different AFRs...

    Hello all -

    Just curious if this is normal behavior. Below I have two 3rd gear pulls, they were about 30 seconds apart.

    Pull 1: 56602

    Pull 2: 56603

    As you can see, in pull 1 my AFR is...
  9. Replies
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    When I download - the download says : Download...

    When I download - the download says : Download VCM Suite 3.0. but the actual download is 2.24. I can assure you it is not user error either :)
    ...
  10. 49517 Duty cycle 147%... may need some new...

    49517

    Duty cycle 147%... may need some new injectors !
  11. Replies
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    no one knows? im getting .5-.8 KR from 3800-4200...

    no one knows? im getting .5-.8 KR from 3800-4200 at times and i think its false. no matter what timing i add it shows from time to time. i want to make sure my settings are right haha
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    1,909

    E40 Knock Sensor Question

    I notice on all E40 PCM tunes I pull up, all their Initial Level for Knock Sensor's is 400. All PCMs after that are 120. This is the correct value right? I assume the location of the knock sensor...
  13. Replies
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    My cars cam sensor is dead. It just makes the car...

    My cars cam sensor is dead. It just makes the car fire on exhaust and intake till it sees a change in RPM. I noticed yours isn't cutting the injectors when you press the pedal down, but mine does.....
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    turns out cylinder #1's spark plug wire wasn't...

    turns out cylinder #1's spark plug wire wasn't not connected to the plug. once I put found that, both banks read the same!
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    I did a cylinder balance test and they were all...

    I did a cylinder balance test and they were all at 100-102. My wideband was really close to my dyno run's AFR so I assume its right
  16. Replies
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    I was always told turbos like reverse split cams....

    I was always told turbos like reverse split cams. I could be wrong but the LT1 guys loved em.
  17. Replies
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    B1 and B2 Inj msec different?

    Hey all -

    I noticed recently that my Inj B1 and Inj B2 msec at WOT are different. In the attached log (logknock) you can see where I get KR is in Cylinder 2 and B2 goes to 12.1 VS B1 at 12.6.
    ...
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    Try making your Cold Engine cut off all high too....

    Try making your Cold Engine cut off all high too. I notice when its really cold it's set to 4k. If your computer isn't reading the ECT right, it'll register at -40
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    it shouldnt cause REP. for some reason my car...

    it shouldnt cause REP. for some reason my car won't do a crank relearn (2005 vette E40) but runs like a champ.
  20. Replies
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    I had an issue similar to this. WOT, sometimes...

    I had an issue similar to this. WOT, sometimes normal driving, scanner would cut out over and over.. eventually my PCM itself died randomly (not tuning or logging). Got a new one and never had...
  21. Replies
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    If your current formula to find the wideband AFR...

    If your current formula to find the wideband AFR is ([PID.2811]/.5)+10 then use:

    100*((([PID.2811]/.5)+10)-[SENS.121])/[SENS.121]
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    Decel and coasting issue

    Fixed. DELETE!
  23. Replies
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    Fixed it. My J2 connector doesn't latch tight...

    Fixed it. My J2 connector doesn't latch tight enough causing some sensors to be perfect and others not to be connected!
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    Nope. Had to pay a guy $200 to come out.. he was...

    Nope. Had to pay a guy $200 to come out.. he was supposed to flash O/S and throttle info.. I don't know if those are in the same flash but he only did one.
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    Didn't get a chance to check the voltage today,...

    Didn't get a chance to check the voltage today, but I did think of a question I'd like to ask you all..

    When your TPS sensor is unplugged, it will throw that code (P0122) correct? But when a TPS...
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