Torque Management Advance (retard) at 6,000 RPM.

[NA18CamaroSS]

Hi all. 2018 Camaro SS 6MT (E92) with a BTR 220 cam. Before the cam install the issue was not present. Had the car on a Dynojet for a baseline and the PCM is pulling 10-12 degrees at ~6,000 RPM for Torque Management Advance. Most of the torque tables are maxxed out, torque per gear, etc. Tried taking 5% out of the MAF as an experiment, but the issue was still present. Ideas?

[lynmup]

Looking at your logs, I see your virtual torque getting close to your max on your E85 airmass. I increased that portion only 5% to see if it eliminates that spark dip. Lemme know

[lynmup]

I noticed you are getting a little lean at your upper RPM band (.90 lambda). May want to add a little more fuel to keep it happy. Looks like you still have some left as your injector pw is only hovering around 5ms.

I updated your E85 Power enrichment to hopefully add the fuel you need. Log and see how it does.

[JANNETTYRACING]

Turn your A/C or defroster off.

[lynmup]

Turn your A/C or defroster off.

For some reason that is set to 7083 RPM and 200% TPS in the tune, I have mine turn off the A/C when above a certain RPM and pedal position. Its under system - A/C tab.

[Blanca_z06]

your Maf looks like might need a rescale at the high end . Its also about 8-12% lean on both the MAF and VVE . Try fixing your airflow model and maybe return all the tq management tables to stock and slightly increase them about 3-5% where needed. Also you are commanding .81 and WB is reading .91

[NA18CamaroSS]

Turn your A/C or defroster off.

This was the solution. Thank you! The a/c was setup to never turn off-which was the way the tune was from the factory for some reason. I set it to turn off above 60% throttle and 5250 RPM and the torque management advance was no longer kicking in. I have attached a log. As to the gentlemen who are noting that the vehicle is lean, I think that there is some kind of discrepancy in your channel setup vs mine. I am logging SAE WB EQ ratio and it shows me A/f. The mixture is solid between 12.8 and 13.2 from 2,000 RPM to redline. The gauge in AEM gauge in the car reflects this as well. I appreciate everyone's assistance, this is an awesome community.