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ESS 2020 GT350 Tuning Knowledge - 4 calibration entries

These 4 entries document the ESS 2020 GT350: what the log shows, how the parser reads it, and what tuners changed in response. The largest bodies of evidence are Spark datalogging reference, Spark timing diagnostics, and Spark timing logging reference. This page shows aggregate counts only; individual KB rows, source details, and tuning findings remain available inside the signed-in app.

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Spark datalogging reference
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Spark timing diagnostics
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Spark timing logging reference
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Spark timing reference diagnostics

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.