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You should log all the spark corrections and airflow corrections, its obvious your car is hunting for an idle because the timing is constantly up and down.

LTIT Gear/ACoff
Idle Adapt (STIT)
Idle...

04' C5Z w/ MS4 cam, LT, No cats, CAI

During long WOT runs the MAF readings are going up and down. Normally I would think valve float but I just replaced all 16 valve springs ~2,000 miles ago w/...

It is a little more difficult to spot in my older logs but it is still there before the EGR was enabled. The old logs are not as easy to spot the issue because it flips back to CL - Normal much...

You are correct on all accounts there and thanks for the ideas... C5s normally don't have an EGR but I enabled it because I am using that input for the wideband. I will dig through my logs before the...

Still no luck figuring this out and nobody seems to have any ideas. I am going to keep tuning the rest of the car for now.
Anybody know someone I could try calling about this issue?

Did you adjust the base idle airflow table between tune files?
Also make sure you do a good job installing the wideband - it is important to get accurate readings. Things like installing far enough...

I agree with 5FDP, it only got to 1* and was only 2 knocks in a single spot. You could stand for some more fuel tuning but without a wideband you might to be able to get much closer. When you install...

I thought maybe it was DFCO but from researching it is supposed to make the inject pulse go to almost 0, which isn't happening.... I'm still trying to find other logs to compare and see if it is...

'04 Z06 w/ MS4 cam (239/242 .649/.610 111.5 LSA)
Long tubes, no cats

Wideband installed as EGR sensor (10-20 afr)

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