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  1. 2007-2009 Mazdaspeed 3 Performance & Mods
    Didnt know where else I should post. So here goes. 2007 ms3 Stage 1 Cobb AP tune with cpesri. My AFR's are fine as with everything else except my knock retard. Please advise, or direct me into a location where an advisor can assist. I am used to subaru tunes with cobb and Subaru's rarely...
  2. 2010-13 Mazdaspeed 3 Engine and Performance
    So on my way to Vegas I had my AP set to knock retard and was noticing percentages of 1.0 - 3.3 knock... This was mostly cruising and when I went WOT was when the 3.0 would come up... I have no idea what knock retard is... All I know is it is bad... Am I doomed for zzb? Should I go back to...
  3. 2010-13 Mazdaspeed 3 Engine and Performance
    I did search and couldn't find anything. I wanted to get a little more clear cut picture as far as knock goes. What are we looking at as far as a safe level of knock. I know 0 is best. A friend of mine who is running a downpipe, and exhaust, intake, and an AP with stage one I believe just saw...
1-3 of 4 Results