Mazdaspeed 3/6 Engine

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

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  1. Meicalnissyen

    Crankshaft/Sprocket Keying for high RPM

    Meicalnissyen, Sep 7, 2023
    Replies:
    6
    Views:
    410
    Meicalnissyen
    Sep 18, 2023
  2. Raider

    Do I need a thicker head gasket?

    Raider, Apr 11, 2023
    Replies:
    6
    Views:
    391
    Raider
    Apr 13, 2023
  3. Ink02

    oil level

    Ink02, Feb 5, 2022
    Replies:
    6
    Views:
    454
    L337TurboZ
    Mar 21, 2022
  4. aanssi

    ECU tuning on MPS 6

    aanssi, Mar 1, 2022
    Replies:
    6
    Views:
    1,136
    Awafrican
    Mar 1, 2022
  5. jsilva

    Forge bypass valve rotation?

    jsilva, Jun 5, 2021
    Replies:
    6
    Views:
    962
    jsilva
    Jul 17, 2021
  6. jsilva

    How to tell if ECU has factory tune?

    jsilva, Apr 7, 2021
    Replies:
    6
    Views:
    1,279
    jsilva
    Apr 15, 2021
  7. The_big_dill

    Results with PCV set ups on OEM turbo

    The_big_dill, Jan 11, 2021
    Replies:
    6
    Views:
    2,059
    The_big_dill
    Mar 13, 2021
  8. Speed777

    Need advice on head bolts

    Speed777, Mar 3, 2021
    Replies:
    6
    Views:
    1,976
    Sho
    Mar 5, 2021
  9. jsilva

    Fuel injector impedance question

    jsilva, Feb 27, 2021
    Replies:
    6
    Views:
    866
    L337TurboZ
    Mar 2, 2021
  10. jsilva

    How much does engine weigh?

    jsilva, Jan 21, 2021
    Replies:
    6
    Views:
    3,820
    BAT-man
    Feb 28, 2021
  11. jsilva

    Head bolts tightening

    jsilva, Jan 11, 2021
    Replies:
    6
    Views:
    1,796
    jsilva
    Feb 26, 2021
  12. jsilva

    Turn oil pump by hand, how easy?

    jsilva, Feb 14, 2021
    Replies:
    6
    Views:
    1,185
    jsilva
    Feb 19, 2021
  13. mattsark

    Engine won’t turn over after driving 10-15 mins

    mattsark, Dec 17, 2020
    Replies:
    6
    Views:
    627
    Binary Assault
    Dec 18, 2020
  14. The_big_dill

    VTCS delete Idle

    The_big_dill, Jun 24, 2020
    Replies:
    6
    Views:
    6,406
    Awafrican
    Jun 28, 2020
  15. DubC

    should i replace my occ?

    DubC, Apr 1, 2019
    Replies:
    6
    Views:
    1,099
    DubC
    Apr 1, 2019
  16. TheCopyCat

    Valve Lash Adjust Advice

    TheCopyCat, Mar 30, 2023
    Replies:
    5
    Views:
    735
    Awafrican
    Apr 14, 2024
  17. Stephen Stites

    OEM Head Gasket for 88mm bore?

    Stephen Stites, Jul 2, 2023
    Replies:
    5
    Views:
    573
    Scaytale
    Nov 5, 2023
  18. jsilva

    Hesitations, lower RPMs, more when cold

    jsilva, Dec 18, 2022
    Replies:
    5
    Views:
    480
    jsilva
    Jan 6, 2023
  19. Corchid
    Like x 7

    DIY Cerakote C-Series

    Corchid, Apr 18, 2022
    Replies:
    5
    Views:
    915
    Raider
    Apr 19, 2022
  20. SoggyPasta

    What Am I Missing? Engine Rebuild Help

    SoggyPasta, Feb 2, 2022
    Replies:
    5
    Views:
    1,391
    StreetSpeed6
    Feb 5, 2022
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