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please attach tune file would be glad to help

I run pump e85 only normally around 77 to 78% alcohol content I have not changed any of the commanded AFR values from what it was from the factory

2012 caprice l77 6.0 had headers and a 3in exhaust having and issue with the idle diping when I come to a stop. idle is commanded at 650 but when I come to a stop it drops to around 400 then catches...

I would say it is torque management issue it still think its trying to save the 4l60e

I just pulled the tune from a 05 ctsv that a friend of mine owns cam is installed unknown specs. The ltft stft and maf is all disabled by the previous tuner o2's completely turned off and the ve...

Thank you I got it working for the vve table %
What would I need for the maf tuning

I just purchased my hp tuners mpvi2. I do not have a wideband currently. how can I get a histogram to work to try to log my tables for vve and maf error??