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HP Tuners GM Gen 4 Training Part 24: Transient Fuel

HP Tuners GM Gen IV Training Course • 53m

Up Next in HP Tuners GM Gen IV Training Course

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    Follow along with lead instructor, Jeff Evans, as he walks you through the main spark timing tables used in a GM Gen 4 ECM. We explore logging spark timing within the VCM scanner in order to expose if the high octane or low octane spark timing table is being sourced during operation.

  • HP Tuners GM Gen 4 Training Part 26: ...

    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 ...

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