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Old 11-18-2012, 09:27 PM   #15
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Actually, a better question might be what the trap speed was. Because a 2.2 60' isn't great but it isn't completely atrocious either. I run a 2.2 60' and have ran a 14.3 in 100 degree weather with not even full bolt ons. So there is definitely something going on. I think it's in the tune.
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Old 11-18-2012, 10:07 PM   #16
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Y'all are. Not understanding. The throttle response was not responsive which caused the entire run to not be good
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Old 11-19-2012, 09:16 AM   #17
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. I think it's in the tune.
There's a good possibility that it may be in the tune, traction control, stabilitrak, etc. Unfortunately this is what happens when we are in un-ventured territory.

I'll be going back out that way for December 14th with my GM MDI & Tech 2 tools, so we can read all codes, do logging, and get this thing to where it needs to be.
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Old 11-19-2012, 09:59 AM   #18
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Old 11-19-2012, 10:05 AM   #19
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This is the same issue Gretchen seen when they were tuning his new LFX. Now that you know the work around take it back and get some runs in!!!


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Old 11-19-2012, 10:44 AM   #20
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This is the same issue Gretchen seen when they were tuning his new LFX. Now that you know the work around take it back and get some runs in!!!


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We also had an issue upstairs on this car reducing the torque. This ECU I have limited experience on literally 1 Magnacharger E78 truck (6.0L) that I had tuned in EFILive. The ECU will limit throttle through torque management (Engine TM, not transmission) based on predicted torque. However, HPT does not have all of the predicted throttle PIDs to be able to log them so it was a bit of a trial and error game. Above 6k the throttle originally would close , so we made a whopping 270 on the first pass, haha.

I did not see this throttle limitation that KMA is experiencing now on the street, but I also did not hard launch the car numerous times. I'll be back out there in a couple of weeks we are planning a track outing at same time, so we'll solve this issue and put down the CORRECT times !
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