HP Tuners GM Gen 4 Training Part 22: Injection Timing
HP Tuners GM Gen IV Training Course
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25m
Follow along with lead instructor, Jeff Evans, as he walks you through how the fuel injection timing is calculated within the Gen IV ECMs, and what changes need to be made when upgrading the cam within the engine.
Up Next in HP Tuners GM Gen IV Training Course
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HP Tuners GM Gen 4 Training part 23: ...
Follow along with lead instructor, Jeff Evans, as he walks you through how the catalyst protection and torque based rev limiter control works on the GM Gen 4 ECMs. We take a specific look at programming a throttle based torque rev limiter and using the VCM scanner to monitor things.
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HP Tuners GM Gen 4 Training Part 24: ...
Follow along with lead instructor, Jeff Evans, as he walks you through how the transient fuel works on the GM Gen 4 ECMs. We take a specific look at programming manifold volume and transient fuel tables such as impact factor and evap factor to see the cause/effect on fuel calculations using the ...
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HP Tuners GM Gen 4 Training Part 25: ...
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.
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