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Diesel Injection Timing

Practical Diesel Tuning

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Discussion and questions related to the course Practical Diesel Tuning

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Hey all,

I understand that most modern diesel engines at light load and low rpm will begin injection just after TDC in most applications I've seen. Reasons being, NVH and for emissions.

I noticed in the course, Nick wanted to try make the target power with extra fuel rather than advance SOI.

As a newer diesel tuner, why is this?

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