Mazdaspeed 3/6 Engine

For MS3/6 engines only. Transmissions/Drivetrains, check the model specific locations.

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  1. SJones

    Injector cleaning in situ?

    SJones, Jul 16, 2023 ... 2
    Replies:
    25
    Views:
    615
    MacheteJames
    Nov 30, 2023 at 9:23 PM
  2. J S

    Engine MZR3 install

    J S, Sep 16, 2023
    Replies:
    6
    Views:
    413
    Cfoldone
    Nov 30, 2023 at 6:29 PM
  3. Stephen Mcneill

    High STFT at idle but when I bill the throttle it goes back to normal.

    Stephen Mcneill, Nov 22, 2023
    Replies:
    –
    Views:
    –
    N/A
  4. jsilva

    Tightening timing chain

    jsilva, Jan 23, 2021
    Replies:
    15
    Views:
    3,039
    Sleepin6
    Nov 9, 2023
  5. SIXual Panda
    Like x 5

    Custom 1/2" ARP headstuds

    SIXual Panda, Jun 1, 2016 ... 2
    Replies:
    32
    Views:
    5,920
    Wilner John Agpaoa
    Nov 7, 2023
  6. Stephen Stites

    OEM Head Gasket for 88mm bore?

    Stephen Stites, Jul 2, 2023
    Replies:
    5
    Views:
    303
    Scaytale
    Nov 5, 2023
  7. Doog
    Like x 3

    [SOLVED] P0192 Code and P0300 Misfires

    Doog, Nov 3, 2023
    Replies:
    1
    Views:
    157
    Awafrican
    Nov 3, 2023
  8. chris' speed 3

    Blown engine

    chris' speed 3, Oct 16, 2023
    Replies:
    6
    Views:
    284
    chris' speed 3
    Oct 29, 2023
  9. Sleepin6

    Oil leak after data logging on e45

    Sleepin6, Oct 22, 2023
    Replies:
    2
    Views:
    149
    Sleepin6
    Oct 24, 2023
  10. Chris' Garage

    speed6 not making all the boost

    Chris' Garage, Sep 21, 2023
    Replies:
    2
    Views:
    215
    Chris' Garage
    Oct 6, 2023
  11. jsilva

    Help getting serpentine belt on…

    jsilva, Sep 18, 2023
    Replies:
    8
    Views:
    337
    HUSH
    Sep 19, 2023
  12. Meicalnissyen

    Crankshaft/Sprocket Keying for high RPM

    Meicalnissyen, Sep 7, 2023
    Replies:
    6
    Views:
    217
    Meicalnissyen
    Sep 18, 2023
  13. HoosierHillBilly

    Gen 2 engine into Gen 1

    HoosierHillBilly, Aug 28, 2023
    Replies:
    13
    Views:
    511
    Easter Bunny
    Sep 13, 2023
  14. jsilva

    Transfer case leak ... where?

    jsilva, Apr 2, 2020
    Replies:
    7
    Views:
    1,375
    jsilva
    Sep 7, 2023
  15. Speed777

    Oil Consumption question

    Speed777, Aug 16, 2023
    Replies:
    4
    Views:
    278
    Mtnbker3531
    Aug 31, 2023
  16. Juschiln19

    New built motor died roughly 20k miles

    Juschiln19, Aug 11, 2022
    Replies:
    11
    Views:
    1,053
    Juschiln19
    Aug 28, 2023
  17. SJones

    Coolant to turbo possible issue

    SJones, Aug 4, 2023
    Replies:
    4
    Views:
    250
    SJones
    Aug 14, 2023
  18. ajkulish

    Aftermarket fan controller

    ajkulish, May 9, 2023
    Replies:
    11
    Views:
    735
    Sleepin6
    Jul 23, 2023
  19. SJones

    Alternative intake manifold

    SJones, Jul 16, 2023
    Replies:
    8
    Views:
    243
    Easter Bunny
    Jul 17, 2023
  20. Wrestler216

    Possible throttle body issue

    Wrestler216, Mar 7, 2021 ... 2
    Replies:
    26
    Views:
    5,717
    Natems3pa
    Jun 30, 2023
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