HP Tuners GM Gen 4 Training Part 26: Spark Timing Modifiers
HP Tuners GM Gen IV Master Training Course
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32m
Follow along with lead instructor, Jeff Evans, as he walks you through the spark timing modifiers such as PE/COT, IAT, ECT, EGR, and many others. We take an in-depth look at exposing the spark timing modifiers in our VCM scanner software to understand where the spark timing is coming from while tuning.
Up Next in HP Tuners GM Gen IV Master Training Course
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HP Tuners GM Gen 4 Training Part 27: ...
Follow along with lead instructor, Jeff Evans, as he walks you through the idle control tables and routine used in a GM Gen 4 ECM.
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HP Tuners GM Gen 4 Training Part 28: ...
Follow along with lead instructor, Jeff Evans, as he walks you through what tables need to be modified and values that need to be changed in the calibration file for proper idle control over a variety of different cam profiles. We also explore configuring various logging channels within the VCM ...
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HP Tuners GM Gen 4 Training Part 29: ...
Follow along with lead instructor, Jeff Evans, as he walks you through the advanced idle tuning technique on a GM Gen 4 vehicle using HP Tuners to properly tune the idle base spark and airflow final minimum values.
