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Thread: Knocking and Knock Retard Explanations

  1. #1

    Default Knocking and Knock Retard Explanations

    I generally get lots of questions regarding this KR (knock retard) parameter and what it can mean. Aside from the obvious fact that the engine has encountered detonation and the ECU is pulling timing (and usually adding fuel depending on the tune), there are some nuances of KR that are not related to the timing values in the base tables. I made a post on my blog explaining some of these nuances and it is linked below. I have a slew of technical articles I want to put together (and have very little time) but here's a small start.

    http://stratifiedauto.com/blog/knock...-kr-explained/
    Custom MazdaSpeed/Mazda MPS Tuning - VersaTune and COBB



  2. #2

    Default

    This is not regarding knock retard, but this is another often-asked question regarding MazdaSpeed and MPS vehicle: What modification path should I follow?

    Wrote an article to hopefully shed some light on this: Blog : The modification path in a MazdaSpeed vehicle : Stratified Automotive Controls

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