Mazdaspeed 3/6 Engine

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

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  1. Speed777

    Need advice on head bolts

    Speed777, Mar 3, 2021
    Replies:
    6
    Views:
    1,913
    Sho
    Mar 5, 2021
  2. Speed777

    Need advice on gasket!

    Speed777, Mar 3, 2021
    Replies:
    13
    Views:
    1,524
    Awafrican
    Apr 4, 2021
  3. DubC

    Necessity to clean intake manifold/valves

    DubC, Mar 19, 2019 ... 2 3
    Replies:
    59
    Views:
    9,401
    Sho
    Jul 13, 2019
  4. Sleepin6
    Like x 4

    Mzr dipstick woes

    Sleepin6, Apr 17, 2020
    Replies:
    3
    Views:
    1,073
    The_big_dill
    Jun 12, 2020
  5. mazdaspeedsieb

    MZR 2.5/DISI Swap Internals Question

    mazdaspeedsieb, Jan 31, 2024
    Replies:
    7
    Views:
    346
    Awafrican
    Feb 2, 2024
  6. Turbo

    Multiple Cylinder Misfire...

    Turbo, Oct 7, 2016
    Replies:
    2
    Views:
    897
    Enki
    Oct 9, 2016
  7. StreetSpeed6

    MS6 PnP

    StreetSpeed6, Apr 14, 2019
    Replies:
    5
    Views:
    1,089
    StreetSpeed6
    Apr 15, 2019
  8. pwdunmore

    MS6 BAT control

    pwdunmore, Sep 7, 2020 ... 2
    Replies:
    24
    Views:
    2,474
    Mauro_Penguin
    Oct 6, 2020
  9. Jakesaulis

    MOTOR SWAP BETWEEN GENS

    Jakesaulis, May 18, 2020
    Replies:
    3
    Views:
    2,589
    Eroler1
    May 18, 2020
  10. ThatSilverMS3

    Motor differences

    ThatSilverMS3, May 5, 2021
    Replies:
    3
    Views:
    559
    Easter Bunny
    May 6, 2021
  11. alexwlwsn
    Like x 4

    Motor Break-In Methods/Theories

    alexwlwsn, Feb 12, 2017 ... 2 3
    Replies:
    44
    Views:
    12,688
    alexwlwsn
    Jan 25, 2019
  12. Bronson9856

    Misfiring cyl 4

    Bronson9856, Apr 19, 2020 ... 2
    Replies:
    32
    Views:
    3,336
    Easter Bunny
    Apr 9, 2021
  13. mituc

    Mazdaspeed new head

    mituc, Oct 27, 2020
    Replies:
    2
    Views:
    393
    lasangelos
    Oct 27, 2020
  14. alexwlwsn
    Like x 3

    MazdaSpeed Dyno Thread

    alexwlwsn, Jan 24, 2017
    Replies:
    16
    Views:
    2,767
    alexwlwsn
    Jan 27, 2017
  15. MMSpeed6

    Mazdaspeed 6 No crank or start after hitting decently sized puddle

    MMSpeed6, Oct 12, 2021
    Replies:
    15
    Views:
    1,550
    Raider
    Nov 25, 2021
  16. Matt Dickey

    mazdaspeed 6 inconsistent idle but no vaccum leaks

    Matt Dickey, Sep 26, 2021
    Replies:
    2
    Views:
    290
    Enki
    Sep 26, 2021
  17. jsilva

    Mazda oil filters?

    jsilva, Apr 25, 2021
    Replies:
    5
    Views:
    1,714
    jsilva
    Apr 25, 2021
  18. DaTFranchise_ms3

    Mazda OE cam bolts

    DaTFranchise_ms3, Sep 10, 2017
    Replies:
    8
    Views:
    3,803
    DaTFranchise_ms3
    Sep 12, 2017
  19. MikeSpeedSix

    Mazda and Ford Crankshaft

    MikeSpeedSix, Jun 14, 2021 ... 2
    Replies:
    37
    Views:
    4,598
    William Ayres
    Jun 3, 2022
  20. Solarsurge

    Main Bearings?

    Solarsurge, Jul 5, 2018
    Replies:
    14
    Views:
    3,687
    JohnnyTightlips
    Oct 19, 2018
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