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  1. MazdaSpeed
    I was driving home from work today and realized my knock retard was reading around 7.70-8 on my accessport when just at regular accelerator pedal position I’ve also been having a sputter going on when I get into boost I’m gonna take a look at my plugs tomorrow, looking for help
  2. MazdaSpeed3 Modifications
    Hey I just jdm swapped my motor got it smogged (California) i was doing a pull and it hit 4.29 knock retard. It’s stock other than new motor. No check engine lights. Should be fairly newer motor considering it’s from Japan and they have to swap every 100k kilometers. Motor was gaurunteed 45k -...
  3. MazdaSpeed3 Modifications
    I know there's a ton of posts about this but I can't find any where the OP actually solved their issue, I had VTCS deleted, CS injector seals, throttle body and valve cleaning done all at once. ever since then I get KR all the way up to 8 at part throttle, especially right after moving from a...
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