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GM Gen IV LS Tuning Knowledge - 2,504 calibration entries
These 2,504 entries document the GM Gen IV LS: what the log shows, how the parser reads it, and what tuners changed in response. The largest bodies of evidence are general, fuel_trims, and idle. This page shows aggregate counts only; individual KB rows, source details, and tuning findings remain available inside the signed-in app.
976
general
208
fuel_trims
182
idle
179
spark
141
airflow
121
knock
110
injector_scaling
108
maf
102
flex_fuel
98
forced_induction
87
transmission
68
cam_timing
Put the knowledge into a repeatable log
Start with the HP Tuners channel checklist, then follow the baseline, edit, and re-log revision loop to test one measured change at a time.