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  1. MazdaSpeed3 Modifications
    Hi, I have a 2013 ms3. It's basically full bolt on. When I start the vehicle in the morning it revs to 2k and sounds terrible then gets to the point where it sounds like it's going to stall and comes back to around 2k then slowly revs down to right below 1k. When I'm driving it doesn't seem to...
  2. Powertrain 2014+ Mazda3
    Hi After some test runs with my 2015 mazda 3 2.2. I noticed I lose some power (not all) when I hit 4000 rpm. So today I did some test runs with torque pro. And indeed you see a loss when it's hitting 4000 rpm. Normally the curve goes to 4500-4750. I did manage to screens from my phone with the...
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