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Thanks for all the advice.

I played with Min effective area % Max and % Brake before. I will try it again.
Regarding the Base Idle and Main Spark, I just tried it and made some progress.

I...

Here is the tune file and a log showing the throttle position and resulting RPM. It seems the RPM starts to increase when the throttle position hits about 3%

Update with a bit more info:

ECU is an E38
The behavior remains the same regardless of VE only Mode, MAF only mode and VE + MAF mode
Any help is appreciated

I hope someone can share some light on this issue.

Background. LS7 crate engine - installed in a mid engine kit car (Porsche transmission with no trans communications or clutch pedal signal.)...

Below are the logs for test 1-3

Thanks for the help and Ideas.
I was able to complete some additional testing under different configurations today. My goal was to try to determine which settings or combination of settings...

Attached are the standard configuration file and the Open loop calibration configuration

Problem Description:
I am suddenly having this weird problem when forcing the ECU (E38) to open loop mode for tuning.
In this mode, my Wide Band O2 (NGK) reads AFR 16. (15.79 in the scanner Table...

Sorry, moved to Gen 4 forum :

Bump.

I have the same issue. It is more prevalent when cruising at a steady RPM and then pressing the cluch in and allowing the RPM's to drop. It stalls 80% of the time.

I just purchased my HP Tuner MPVI Pro from MASPORT. I am trying to read the VCM from my 2006 Corvette ECU

When I try to "Read Entire", it almost finishes reading, then fails the security check. ...