Mazdaspeed 3/6 Engine

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

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  1. Wrestler216

    Possible throttle body issue

    Wrestler216, Mar 7, 2021 ... 2
    Replies:
    26
    Views:
    7,013
    Natems3pa
    Jun 30, 2023
  2. Shawn Spencer

    Cylinder Head Rebuild/ Refresh

    Shawn Spencer, Jun 28, 2023
    Replies:
    8
    Views:
    770
    L337TurboZ
    Jun 29, 2023
  3. DSnyder

    Installing JDM engine in USDM vehicle

    DSnyder, Jun 3, 2023
    Replies:
    4
    Views:
    484
    Awafrican
    Jun 4, 2023
  4. tougespeed3

    Speed 3 to 6 swap

    tougespeed3, May 31, 2023
    Replies:
    1
    Views:
    488
    Cfoldone
    Jun 1, 2023
  5. Mauro_Penguin

    Rear Main Seal tool.... anyone have pics?

    Mauro_Penguin, Jul 16, 2021
    Replies:
    9
    Views:
    1,581
    Cfoldone
    May 27, 2023
  6. Mtnbker3531

    BNR S2

    Mtnbker3531, Sep 12, 2021
    Replies:
    16
    Views:
    2,362
    Mtnbker3531
    Apr 16, 2023
  7. Raider

    Do I need a thicker head gasket?

    Raider, Apr 11, 2023
    Replies:
    6
    Views:
    390
    Raider
    Apr 13, 2023
  8. Lilloui05

    Oem injector seal orientation

    Lilloui05, Apr 8, 2023
    Replies:
    2
    Views:
    478
    Lilloui05
    Apr 8, 2023
  9. Adam_G987

    CST4 Wastegate Hose Fitting Broke

    Adam_G987, Apr 4, 2023
    Replies:
    3
    Views:
    358
    Awafrican
    Apr 5, 2023
  10. Raider
    Like x 6

    Universal Mazdaspeed 3/6 Serpentine Belt Tensioner for less than OEM!

    Raider, Mar 17, 2016
    Replies:
    11
    Views:
    5,997
    dagrimey1
    Mar 27, 2023
  11. jsilva

    Where to add cleaner using vacuum line?

    jsilva, Mar 9, 2023
    Replies:
    11
    Views:
    614
    jsilva
    Mar 17, 2023
  12. VoodooJef
    Like x 11

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

    VoodooJef, Feb 28, 2018
    Replies:
    15
    Views:
    9,696
    jdab555
    Mar 10, 2023
  13. Maisonvi
    Like x 9

    MAF Sensor O-Ring

    Maisonvi, Apr 21, 2017 ... 2
    Replies:
    29
    Views:
    7,416
    Sleepy_Pat
    Feb 11, 2023
  14. Yilld

    Startup noise (most likely not VVT)

    Yilld, Mar 6, 2021
    Replies:
    12
    Views:
    3,720
    Benjamin Owens IV
    Jan 29, 2023
  15. Lilloui05

    Front Engine Hanger Bolt Size?

    Lilloui05, Jan 13, 2023
    Replies:
    4
    Views:
    310
    Awafrican
    Jan 18, 2023
  16. jsilva

    Hesitations, lower RPMs, more when cold

    jsilva, Dec 18, 2022
    Replies:
    5
    Views:
    475
    jsilva
    Jan 6, 2023
  17. Ms3geo

    cylinder head porting

    Ms3geo, Dec 28, 2022
    Replies:
    2
    Views:
    367
    Ms3geo
    Dec 28, 2022
  18. Jp.ms3

    Valve Spring/Retainers

    Jp.ms3, Dec 6, 2022
    Replies:
    4
    Views:
    1,094
    Jp.ms3
    Dec 9, 2022
  19. jesus

    [solved] on going cylinder 4 misfire

    jesus, Apr 2, 2021
    Replies:
    8
    Views:
    2,551
    jesus
    Dec 4, 2022
  20. originalmarshmello

    BNR S4 Turbo Shaft Play - Acceptable or not?

    originalmarshmello, Nov 28, 2022
    Replies:
    3
    Views:
    566
    originalmarshmello
    Nov 29, 2022
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