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Spark Advance Modification

Practical Reflash Tuning

Relevant Module: Worked Examples > HP Tuners GM Gen III/IV LS - Basic > Step 5: Optimising the Tune

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Discussion and questions related to the course Practical Reflash Tuning

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Hello, andre. In this particular worked example, you only made changes in the High Octane value table in terms of spark advancing. Why didn't you copy it to the Low Octane table?

The low octane table values are not used unless significant knock is present, and are generally kept at safer values appropriate in case you get a bad tank of gas.

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