Mazdaspeed 3/6 Engine

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

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  1. ajkulish

    Aftermarket fan controller

    ajkulish, May 9, 2023
    Replies:
    14
    Views:
    2,349
    ajkulish
    Jul 2, 2025
  2. VoodooJef
    Like x 11

    Focus ST mani install (and how to keep your existing piping)

    VoodooJef, Feb 28, 2018
    Replies:
    18
    Views:
    12,251
    Gen_poot
    Jun 28, 2025
  3. Luisv1347

    Boost issues

    Luisv1347, Jun 9, 2025
    Replies:
    2
    Views:
    215
    Luisv1347
    Jun 9, 2025
  4. Corchid
    Like x 7

    DIY Cerakote C-Series

    Corchid, Apr 18, 2022
    Replies:
    6
    Views:
    1,867
    Chapystick
    Jun 3, 2025
  5. Raider
    Like x 4

    Total Ugga Duggas Needed for the Oil Filter and Oil Nut

    Raider, May 24, 2025
    Replies:
    1
    Views:
    171
    Awafrican
    May 28, 2025
  6. Funktionull

    Who is the go-to place for a full longblock build these days?

    Funktionull, May 17, 2025
    Replies:
    4
    Views:
    266
    Easter Bunny
    May 18, 2025
  7. Bobbytron21

    The marketplace engine

    Bobbytron21, May 3, 2025
    Replies:
    3
    Views:
    224
    Enki
    May 3, 2025
  8. Tristan Eiland

    Crankshaft Compatibility

    Tristan Eiland, Jun 24, 2024
    Replies:
    15
    Views:
    1,223
    DISIFTW
    Apr 28, 2025
  9. AYOUSTIN
    Like x 12

    Cheap Valve Spring Option

    AYOUSTIN, Jan 19, 2017 ... 2
    Replies:
    27
    Views:
    10,667
    JohnnyTightlips
    Apr 28, 2025
  10. jsilva

    Ticking sound?

    jsilva, Dec 2, 2021
    Replies:
    10
    Views:
    3,024
    jsilva
    Apr 25, 2025
  11. SIXual Panda
    Like x 5

    Custom 1/2" ARP headstuds

    SIXual Panda, Jun 1, 2016 ... 2
    Replies:
    33
    Views:
    7,553
    Wilner John Agpaoa
    Apr 7, 2025
  12. ajkulish

    Balancing and dampers

    ajkulish, Apr 3, 2025
    Replies:
    2
    Views:
    147
    ajkulish
    Apr 3, 2025
  13. SJones

    Injector cleaning in situ?

    SJones, Jul 16, 2023 ... 2
    Replies:
    27
    Views:
    2,227
    TorukNeikea
    Apr 1, 2025
  14. Nactan

    2008 Speed 3 Rebuild Questions

    Nactan, Jan 28, 2022
    Replies:
    14
    Views:
    3,222
    Pier-Luc Tremblay
    Mar 25, 2025
  15. SJones

    Exhaust cam shaft

    SJones, Feb 1, 2025
    Replies:
    2
    Views:
    417
    jsilva
    Feb 27, 2025
  16. acidplant

    UniClutch

    acidplant, Jan 29, 2024
    Replies:
    1
    Views:
    739
    xandon
    Feb 25, 2025
  17. Troubled81

    Duratec Port Head Swap

    Troubled81, Sep 1, 2020 ... 2
    Replies:
    31
    Views:
    7,714
    Awafrican
    Dec 31, 2024
  18. SJones

    P0403 error - egr valve position

    SJones, Sep 13, 2024
    Replies:
    4
    Views:
    1,254
    littlemore.speed3
    Dec 16, 2024
  19. 2MEKE

    ECU Wiring OCV

    2MEKE, Feb 22, 2022
    Replies:
    4
    Views:
    2,047
    Brooklyn
    Nov 8, 2024
  20. HoosierHillBilly

    Gen 2 engine into Gen 1

    HoosierHillBilly, Aug 28, 2023
    Replies:
    15
    Views:
    3,256
    Awafrican
    Nov 3, 2024
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