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Check the spark plug gap to ensure you are not having that blow out. Simple things get overlooked sometimes.

See the picture below. Above 2.3V on the TPS your current calibration is requesting 100% power delivery. You may try to smooth this table and the others associated with power demand to make the...

Correct

Frank,
Gm parts direct $56.00
Pn# 12615136
Aside from the obvious OS upgrade and SD tuning basics, there are a few other things to do. After the OS upgrade, the VE table will need attention...

have you tried to email support?

I had a similar problem it turned out to be a broken valve spring. Hope this helps.

and fix your eq vs rpm ration for PE. you are at 1.0

engine=spark control- spark advance- then either high octane or low octane depending on what you run. create a histogram and see your g/cyl of what you are trying to change and change it in the tune...

thanks slow67 I will send that to support.

We just completed the swap from a 4l60e to the 4l80 and need to get the truck running. If someone has this file so I can complete the necessary information to send to support for the segment swap...