Engines

Engines, fueling and tuning

  1. 8-valve

    Section for all 8-valve engines
    Discussions:
    3,998
    Messages:
    37,561
    Latest: 8v PB not starting after I changed the dash bulbs... rubjonny, Mar 24, 2026

  2. 16-valve

    Section for all things related to 16-valve engines
    Discussions:
    4,962
    Messages:
    61,970
    Latest: VAG-Com ABF Digifant label files orator, Apr 22, 2026 at 11:42 AM

  3. 1.8 & 1.8T

    Section for all things related to the 20-valve 4 cyl engine
    Discussions:
    2,794
    Messages:
    26,456
    Latest: 20v VWM inspired engine build HPR, Apr 21, 2026 at 9:45 PM

  4. VR5, VR6 & Wx

    Section for all things related to the VR6 & V6 engines
    Discussions:
    1,256
    Messages:
    10,933
    Latest: Starter Motor rubjonny, Mar 27, 2026

  5. FSI (inc. GTI 2.0T)

    Section for all things related to the new breed engines (EA888, EA113, FSI, TSI, TFSI - call them what you will)
    Discussions:
    150
    Messages:
    1,292
    Latest: Mk7 GTI Turbo Problems davidut5, Sep 9, 2025

  6. Diesel

    Section for all things related to diesel engines
    Discussions:
    791
    Messages:
    6,822
    Latest: Smoke after startup in PD Mystic8v, Mar 15, 2026
Page 1 of 1120
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Title Start Date
Replies ↓ Views
Last Message
  1. rubjonny
    Sticky

    OEM MK4 management wiring => Mk1/2/3 harness install FAQ (Now with added dieselness!)

    rubjonny, Nov 8, 2013 ... 50 51 52
    Replies:
    1,023
    Views:
    526,348
    Racingnight123@
    Jan 24, 2026
  2. A.N. OTHER
    Sticky

    4 cylinder bore & stroke combinations + max bore & stroke list

    A.N. Other, Jan 20, 2011 ... 2 3
    Replies:
    43
    Views:
    53,464
    HPR
    Jun 11, 2020
  3. VW_SINGH
    Sticky

    Mk1 Golf - Fuel starvation on right hand bends.Analysis and conclusion

    vw_singh, Jun 30, 2009
    Replies:
    15
    Views:
    18,213
    vw_singh
    Jul 3, 2009
  4. A.N. OTHER
    Sticky

    The GTI Engine and its humble origins

    A.N. Other, Sep 28, 2010
    Replies:
    13
    Views:
    13,529
    A.N. Other
    Sep 30, 2010
  5. davkav
    Sticky

    Idle Stabilisation Valve (ISV) teardown

    davkav, Apr 17, 2018
    Replies:
    10
    Views:
    1,888
    xav
    Oct 9, 2022
  6. Toyotec
    Sticky

    Fuel pumps and flow capablity

    Toyotec, Apr 14, 2011
    Replies:
    9
    Views:
    8,416
    Dave
    Jul 3, 2024
  7. Zender Z20
    Sticky

    Oil Pump Refurb...

    Zender Z20, Jan 15, 2024
    Replies:
    2
    Views:
    585
    Sirguydo
    Jan 20, 2024
  8. A.N. OTHER
    Sticky

    Technical Engine Performance Discussions Index

    A.N. Other, Nov 27, 2013
    Replies:
    0
    Views:
    3,497
    A.N. Other
    Nov 27, 2013
  9. CRISPY 8V
    Locked Sticky

    VAG COM Users in FAQ

    Crispy 8V, Jun 27, 2006
    Replies:
    0
    Views:
    11,736
    Crispy 8V
    Jun 27, 2006
  10. ambrose89

    best engine for high power/weight ratio? AKA Ben's Cab

    ambrose89, Jun 1, 2007 ... 18 19 20
    Replies:
    395
    Views:
    24,681
    fthaimike
    Sep 24, 2010
  11. Riley

    feckin g60...the end? seems so :-)

    Riley, Oct 15, 2005 ... 17 18 19
    Replies:
    377
    Views:
    21,345
    KeithMac
    Jan 9, 2006
  12. Nige

    Ebay / VMI Forged Conrods & Bolts. Never again..... !

    Nige, Sep 3, 2014 ... 9 10 11
    Replies:
    205
    Views:
    57,330
    Magnata820
    Sep 27, 2018
  13. FABVR6

    10k boost

    FABVR6, Mar 2, 2004 ... 7 8 9
    Replies:
    175
    Views:
    18,399
    Matt82
    Aug 7, 2007
  14. Matt82

    60-100mph

    Matt82, Oct 15, 2006 ... 6 7 8
    Replies:
    154
    Views:
    10,435
    dubst16v
    Nov 13, 2006
  15. A.N. OTHER

    4 cyl big block oil pumps - how many versions? FAQ added p2. Updated p4.

    A.N. Other, Aug 18, 2009 ... 6 7 8
    Replies:
    148
    Views:
    65,171
    pingman
    Aug 23, 2016
  16. THE_GOG

    ***update*** think i've cured it!!

    ThE_gOg, Aug 29, 2007 ... 6 7 8
    Replies:
    147
    Views:
    8,001
    Mike_H
    Apr 8, 2008
  17. Riley

    Please help my G60.still not right - UPDATE VIDS PAGE 5

    Riley, Sep 4, 2005 ... 6 7 8
    Replies:
    146
    Views:
    8,963
    Riley
    Aug 18, 2008
  18. DCB 16V
    Locked

    MK2 16V Head Gasket Renewall...!

    DCB 16V, Nov 21, 2003 ... 6 7 8
    Replies:
    146
    Views:
    7,954
    Trev16v
    Nov 24, 2003
  19. MK1MATT

    50mm Inlet

    mk1Matt, Jan 19, 2005 ... 5 6 7
    Replies:
    136
    Views:
    13,749
    gti_kev
    Aug 24, 2005
  20. Riley

    DESPERATE PLEA FOR HELP from someone in north west. RE:My rado g60.

    Riley, Jul 14, 2007 ... 5 6 7
    Replies:
    135
    Views:
    6,003
    Riley
    Jul 21, 2007
  21. PRASH

    AIR FILTER

    Prash, Nov 15, 2004 ... 5 6 7
    Replies:
    120
    Views:
    10,171
    Demons_UK
    Feb 10, 2008
  22. THESECONDCOMING

    Fecking stumped! (1990 8v Gti)

    TheSecondComing, Jan 17, 2004 ... 5 6 7
    Replies:
    120
    Views:
    8,379
    TheSecondComing
    Mar 7, 2004
  23. A.N. OTHER

    Crank pulley vibration dampers & harmonics. Update: Lightweight crank pulleys = Bad

    A.N. Other, Jan 18, 2010 ... 4 5 6
    Replies:
    119
    Views:
    24,889
    mec82
    Feb 21, 2012
  24. dan_1987

    Starting Problem - Lack of Power?

    dan_1987, Sep 1, 2007 ... 4 5 6
    Replies:
    103
    Views:
    6,313
    mattkh
    Jan 3, 2009
  25. GOLFVR6
    Locked

    9A block from VW

    Golfvr6, Jan 6, 2004 ... 4 5 6
    Replies:
    103
    Views:
    6,328
    Dex
    Jan 7, 2004
  26. DEAJAM

    8v and 16v torque

    deajam, Sep 7, 2004 ... 4 5 6
    Replies:
    101
    Views:
    7,772
    fthaimike
    Sep 17, 2004
  27. NICKH89GTI

    Digifant Idle at 2.5-3k When Warm

    nickh89GTi, Jul 3, 2008 ... 3 4 5
    Replies:
    98
    Views:
    6,988
    nickh89GTi
    Jan 27, 2009
  28. HEHEHH

    Golf 2 GTI - fuel enters the oil - help!

    hehehh, Jan 3, 2004 ... 3 4 5
    Replies:
    98
    Views:
    4,780
    hehehh
    Jan 13, 2004
  29. copeidge

    8v or 16v

    copeidge, Feb 28, 2008 ... 3 4 5
    Replies:
    95
    Views:
    5,811
    luminosa
    Mar 7, 2008
Showing threads 1 to 20 of 22,393

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