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  1. Powertrain 2004-2009 Mazda3
    I recently acquired a mazdaspeed3 needing some work for a good price. I did a head gasket replacement and a valve job but I am still experiencing issues with running. The symptoms I have are rough idle, stft at -25, there is smoke out of the exhaust when I start it and idle. When I replaced the...
  2. MazdaSpeed
    I have a 2012 mazda speed 3 and ever since I've owned the car, I've noticed this clunking noise. it is specifically coming from the rear driverside suspension but I have yet to find anything loose or worn out in the components, especially regarding the different bushings that are there. I'm not...
  3. I Just Got my Mazda3/MazdaSpeed3!
    So I had a gen 2 speed 3 in college. Sold it in 2015 and have missed it ever sense. A few months ago I picked up a gen 1 after finally realizing I need this thing back in my life. My plan is now to complete restore/maintain this bitch forever (pics below). I NEED SOME HELP! I got the car from...
  4. 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 -...
  5. MSpeed Buy / Sell
    For sales $400.00. Pick up or Buyer pays freight.
  6. MazdaSpeed3 Modifications
    I can't find this info anywhere because it seems like people just don't take their calipers apart often. I'm looking for the torque specs on the 4 torx bolts that hold the front disc brake caliper body together (Parts 7 and 8). Bolts 9 and 10 in the image attached. Part Number: B3YF3361X...
  7. Powertrain for 2010-2013
    Couldn't make an account on mazdaspeed forums so thought I'd start here. My shift linkage cable broke in half. Luckily got stuck in third gear so I could drive home. Is this a part I can unbolt and replace or re-weld or is it more on a new transmission side of things. 2012 mazdaspeed 3
  8. Technical Information, FAQ's, How-To's
    I have about 100k miles and did a coolant flush and fill not too long ago. Oil changes regularly. Trying to figure out the possible causes of overheating with these symptoms: -Fans kick on like normal, but car starts to climb to temps above 230F at idle -Doing a pull or driving at higher revs...
  9. MazdaSpeed3 Modifications
    Hi all, I found a used 2010 Mazdaspeed3, stock sitting at ~ 130k miles. It appears that the car was very well maintained. I am a newbie with the speed3 and would like to have some feedback on what else I should be keeping my eyes out for. All comments will be greatly appreciated! Below is a...
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