Mazdaspeed 3/6 Engine

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

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  1. Troubled81

    2.3L DI Injector Plugs For the BIG HP Players

    Troubled81, Oct 31, 2020
    Replies:
    1
    Views:
    580
    Troubled81
    Nov 1, 2020
  2. sid

    15w50 for break in?

    sid, Oct 31, 2020
    Replies:
    5
    Views:
    769
    sid
    Nov 2, 2020
  3. mituc

    Mazdaspeed new head

    mituc, Oct 27, 2020
    Replies:
    2
    Views:
    397
    lasangelos
    Oct 27, 2020
  4. RyanMunsell

    KR between 3500-4000rpm

    RyanMunsell, Oct 17, 2020
    Replies:
    2
    Views:
    531
    RyanMunsell
    Oct 17, 2020
  5. Bobby

    Running rich under boost?

    Bobby, Oct 12, 2020
    Replies:
    3
    Views:
    1,011
    SharksInSpace
    Oct 12, 2020
  6. JTOetjen

    Reinstalling Fuel Rail

    JTOetjen, Oct 8, 2020
    Replies:
    9
    Views:
    1,955
    SharksInSpace
    Oct 12, 2020
  7. raj_krishnamurthy

    2010 Mazdaspeed3- Injectors 2 and 3 not firing

    raj_krishnamurthy, Oct 5, 2020
    Replies:
    3
    Views:
    1,042
    Nicholas Sanchez
    Aug 14, 2021
  8. Meicalnissyen

    Which Focus Mani is it ? RSvST

    Meicalnissyen, Oct 2, 2020
    Replies:
    14
    Views:
    2,087
    Meicalnissyen
    Oct 19, 2020
  9. jsilva

    Rebuilding advice?

    jsilva, Sep 24, 2020 ... 2 3 4
    Replies:
    63
    Views:
    9,636
    jsilva
    Dec 24, 2021
  10. Bobby

    How much boost can the stock engine handle reliably w/ BNR S3?

    Bobby, Sep 23, 2020
    Replies:
    3
    Views:
    2,262
    Al3xRats
    Sep 24, 2020
  11. pwdunmore

    MS6 BAT control

    pwdunmore, Sep 7, 2020 ... 2
    Replies:
    24
    Views:
    2,537
    Mauro_Penguin
    Oct 6, 2020
  12. Troubled81

    Duratec Port Head Swap

    Troubled81, Sep 1, 2020 ... 2
    Replies:
    27
    Views:
    5,492
    StreetSpeed6
    Apr 21, 2022
  13. jon.stoecker17

    Getting my speed 3 back on the road

    jon.stoecker17, Aug 22, 2020
    Replies:
    10
    Views:
    792
    stockms3
    Aug 23, 2020
  14. DubC

    Low temp when cruising?

    DubC, Aug 21, 2020
    Replies:
    4
    Views:
    761
    DubC
    Aug 23, 2020
  15. Thatstangkid

    Can’t kick readiness monitors

    Thatstangkid, Aug 20, 2020
    Replies:
    2
    Views:
    796
    Thatstangkid
    Aug 21, 2020
  16. chrisgrissle

    P0012, hose leaking unsure what it is

    chrisgrissle, Aug 17, 2020
    Replies:
    0
    Views:
    742
    chrisgrissle
    Aug 17, 2020
  17. jdr767

    Ok what am I missing here? Extras after valve cleaning.

    jdr767, Aug 15, 2020
    Replies:
    13
    Views:
    1,354
    jdr767
    Sep 3, 2020
  18. chrisgrissle

    Low Compression

    chrisgrissle, Aug 12, 2020
    Replies:
    5
    Views:
    1,472
    The_big_dill
    Aug 20, 2020
  19. Jtotheonah

    Operating temperature ? Your habits/method ?

    Jtotheonah, Aug 10, 2020
    Replies:
    2
    Views:
    2,126
    jsmith
    Aug 14, 2020
  20. Jtotheonah

    Genpu Cold Air Intake Heat Shield vs. No Heat Shield

    Jtotheonah, Aug 3, 2020
    Replies:
    1
    Views:
    628
    Awafrican
    Aug 3, 2020
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