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  1. Replies
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    Sounds like a broken piston.

    Sounds like a broken piston.
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    179

    It really depends on the setup and fuel. A big...

    It really depends on the setup and fuel. A big cam n/a on e85 will usually have a pretty flat timing curve with maybe a slight dip before and after peak torque. A Magnuson at 10 psi on a stock engine...
  3. Log Immediate torque source.

    Log Immediate torque source.
  4. Raise the switchover delay to 409 in neutral....

    Raise the switchover delay to 409 in neutral. Then you can play with the commanded torque table for neutral in the higher rpm cells. It will still try to limit only it will just pull timing. You can...
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    101

    Welp. That definitely did the trick. I actually...

    Welp. That definitely did the trick. I actually went down a 1/4 of the stock value. Thanks!
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    OLSD 3 bar minimum injector pulse

    P01 411 ecu, lq9, ID850's, turbo in a 69 C10. Pulse width will not drop below 2.5ms most of the time. If it does it drops straight down to 1.4ms then back up to 2.5. Nothing in between. Making it...
  7. Don't just max out the peak torque table. needs...

    Don't just max out the peak torque table. needs to match what the engine is making or slightly above that.

    Driver demand looks stock. Again need to add to this but only as much as needed.

    SOI...
  8. Are you logging immediate torque source?

    Are you logging immediate torque source?
  9. Thread: Idle Timing

    by 32vape
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    933

    1LE's are different. They idle with less timing...

    1LE's are different. They idle with less timing than SS's. You can take a stock 1LE and a stock SS same year, both with the same exact tunes and the 1LE will idle 0-2 degrees, and the SS 10-12...
  10. Have you tried raising the tcc pressure ramp...

    Have you tried raising the tcc pressure ramp table in the 0-20 rpm columns?
  11. You can zero it out but I found for bolt on cars...

    You can zero it out but I found for bolt on cars it works best to just half it. It allows a little more timing for the other cylinders. Desensitized knock sensors are controversial. I usually add a...
  12. It's not really false knock. It's the ECU pulling...

    It's not really false knock. It's the ECU pulling timing on that cylinder per that table and it just shows as knock in the logger. And it's actually cylinder #2 as that table starts a 0 and ends at...
  13. You're just out of high side. Our ZL1 with...

    You're just out of high side. Our ZL1 with headers and a Maggie 2300 I couldn't get over 20% e content. That was the limit. The knock you are seeing is probably from the static retard table. Any...
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    MPVI relicensing

    I have two MPVI's. I just sent one in to upgrade to a MPVI2. I have a few cars that I need to retune. These cars were licensed with the MPVI that I sent in. I want to use the second MPVI I still have...
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    We are definitely missing tables. A good example...

    We are definitely missing tables. A good example is idle timing. My 17' 1LE stock idled around 2-3 degrees hot. Another 17' 2ss I tuned recently idled at 14-15 degrees when it was stock. The only...
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    Probably start with the 240 degree intake air...

    Probably start with the 240 degree intake air temps. Log manifold air temp and see where that is too.
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    If you're spraying meth you could zero the static...

    If you're spraying meth you could zero the static table out. On stock cams, I usually cut the burst knock in half.
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    Spark>Retard>Static Retard>vs. cylinder>cyl#1....

    Spark>Retard>Static Retard>vs. cylinder>cyl#1. Positive values in this table always show up as knock under Total Knock Retard. That is why every log you have posted, the knock falls off at 5000 rpm....
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    On those last two logs, looks like that knock is...

    On those last two logs, looks like that knock is coming from spark>retard>static retard>vs. cylinder table. The spikes are burst knock.
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    You can get just shy of 700 with the a10 on 93...

    You can get just shy of 700 with the a10 on 93 with 2" headers, no cats, 103mm throttle, matched inlet, and that whipple. I usually see the LT4's stock fueling max out at around 730 whp on 25-30%...
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    The values in those tabs are the same for LT1 and...

    The values in those tabs are the same for LT1 and LT4 calibrations. Lt4's run more than 150 kpa stock. Not exactly sure what they're for, but changing them makes no difference to the torque model.
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    Maybe try lowering the acceleration based...

    Maybe try lowering the acceleration based threshold table or raising the acceleration based filter coefficient.
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    Check the cat temp tables. I had one at 17psi...

    Check the cat temp tables. I had one at 17psi going into cat protect and dumping boost.
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    Go back to stock with all the idle torque...

    Go back to stock with all the idle torque settings and work on the virtual torque tables. Adding to the idle torque reserve will make the idle unstable and the car will surge and jump. Stock idle is...
  25. You ever get this resolved? I am having the exact...

    You ever get this resolved? I am having the exact same issue on a similar build 6l80. Lowering the volume preset and minimum volume 10% seemed to help a little but not solve the issue.
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