Engines

Engines, fueling and tuning

  1. 8-valve

    Section for all 8-valve engines
    Discussions:
    3,975
    Messages:
    37,334
    Latest: white oil pressure switch part number references 1.6 bar Jwoodhe1, Jul 18, 2025 at 5:39 PM

  2. 16-valve

    Section for all things related to 16-valve engines
    Discussions:
    4,936
    Messages:
    61,711
    Latest: 16V ABF engine - very high emissions! Peffa, Jul 10, 2025

  3. 1.8 & 1.8T

    Section for all things related to the 20-valve 4 cyl engine
    Discussions:
    2,784
    Messages:
    26,384
    Latest: Open Circuits eddiedebo, Jul 16, 2025 at 8:09 AM

  4. VR5, VR6 & Wx

    Section for all things related to the VR6 & V6 engines
    Discussions:
    1,248
    Messages:
    10,867
    Latest: Mk2 12v VR6 Intake Piping JVNotts, Jul 15, 2025 at 3:09 PM

  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:
    149
    Messages:
    1,285
    Latest: FSI/TFSI into a mk2, best mounting solution? Toyotec, Jun 20, 2025

  6. Diesel

    Section for all things related to diesel engines
    Discussions:
    791
    Messages:
    6,816
    Latest: 1Z 1.9 tdi pump timing issue danster, Jun 29, 2025
Page 1 of 1120
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Replies Views
Last Message
  1. CRISPY 8V
    Locked Sticky

    VAG COM Users in FAQ

    Crispy 8V, Jun 27, 2006
    Replies:
    0
    Views:
    11,635
    Crispy 8V
    Jun 27, 2006
  2. VW_SINGH
    Sticky

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

    vw_singh, Jun 30, 2009
    Replies:
    15
    Views:
    17,695
    vw_singh
    Jul 3, 2009
  3. A.N. OTHER
    Sticky

    The GTI Engine and its humble origins

    A.N. Other, Sep 28, 2010
    Replies:
    13
    Views:
    13,202
    A.N. Other
    Sep 30, 2010
  4. A.N. OTHER
    Sticky

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

    A.N. Other, Jan 20, 2011 ... 2 3
    Replies:
    43
    Views:
    51,560
    HPR
    Jun 11, 2020
  5. Toyotec
    Sticky

    Fuel pumps and flow capablity

    Toyotec, Apr 14, 2011
    Replies:
    9
    Views:
    8,046
    Dave
    Jul 3, 2024
  6. rubjonny
    Sticky

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

    rubjonny, Nov 8, 2013 ... 48 49 50
    Replies:
    981
    Views:
    496,287
    rubjonny
    Jun 17, 2025
  7. A.N. OTHER
    Sticky

    Technical Engine Performance Discussions Index

    A.N. Other, Nov 27, 2013
    Replies:
    0
    Views:
    3,348
    A.N. Other
    Nov 27, 2013
  8. davkav
    Sticky

    Idle Stabilisation Valve (ISV) teardown

    davkav, Apr 17, 2018
    Replies:
    10
    Views:
    1,572
    xav
    Oct 9, 2022
  9. Phil

    Power graphs for 8v digifant.

    Phil, Oct 22, 2003
    Replies:
    3
    Views:
    3,046
    Phil
    Oct 24, 2003
  10. CHRISMC

    8v flywheel replacement!

    chrismc, Oct 22, 2003 ... 2
    Replies:
    29
    Views:
    3,200
    chrismc
    Oct 29, 2003
  11. IAN_S

    ABF into mk2, which way is best?

    Ian_S, Oct 22, 2003
    Replies:
    9
    Views:
    1,717
    jason
    Oct 23, 2003
  12. SOUTHY_GTI

    I know what would be wicked

    Southy_GTI, Oct 22, 2003
    Replies:
    10
    Views:
    2,059
    Jeff
    Oct 23, 2003
  13. FARQUARE

    no idle at start up

    farquare, Oct 22, 2003
    Replies:
    2
    Views:
    1,751
    AndrewF
    Oct 23, 2003
  14. SKINNER

    exhaust problems

    skinner, Oct 22, 2003
    Replies:
    11
    Views:
    1,360
    GVK
    Oct 24, 2003
  15. PAULM

    16v won’t idle

    PaulM, Oct 22, 2003
    Replies:
    3
    Views:
    1,744
    PaulM
    Oct 23, 2003
  16. 1990

    Mk2 vr6 airbox question

    1990, Oct 22, 2003
    Replies:
    7
    Views:
    2,301
    1990
    Oct 23, 2003
  17. TURTLE

    Engine on 8v advice

    turtle, Oct 22, 2003
    Replies:
    3
    Views:
    1,777
    veedubnutz
    Oct 23, 2003
  18. CHRIS

    Mk3 injectors

    Chris, Oct 22, 2003
    Replies:
    1
    Views:
    1,750
    AndrewF
    Oct 22, 2003
  19. King Kwik

    2.0 tall block engine code

    King Kwik, Oct 22, 2003
    Replies:
    5
    Views:
    1,723
    veedubnutz
    Oct 23, 2003
  20. REMUS

    Cheap Ebay "Chips"

    Remus, Oct 22, 2003
    Replies:
    13
    Views:
    1,754
    Golden
    Oct 23, 2003
  21. ANDREWF

    whats wrong with my vr6 - place your bets

    AndrewF, Oct 23, 2003
    Replies:
    18
    Views:
    1,402
    AndrewF
    Oct 24, 2003
  22. audiman

    Will this make my car go faster?

    audiman, Oct 23, 2003 ... 2
    Replies:
    28
    Views:
    3,024
    6cylsl*g
    Oct 27, 2003
  23. S1MMA

    Black exhaust tip

    S1MMA, Oct 23, 2003
    Replies:
    11
    Views:
    1,712
    S1MMA
    Oct 23, 2003
  24. SET_AUI

    Schrick 276 lift at TDC

    set_aui, Oct 23, 2003
    Replies:
    8
    Views:
    2,191
    NormanCoal
    Oct 27, 2003
  25. VEEDUBNUTZ

    Metering Heads

    veedubnutz, Oct 23, 2003
    Replies:
    15
    Views:
    1,525
    harry_the_cake
    Oct 24, 2003
  26. CRISPY 8V

    TDi experts help

    Crispy 8V, Oct 23, 2003
    Replies:
    2
    Views:
    1,315
    Crispy 8V
    Oct 24, 2003
  27. BULLY

    TT 225 Rallye?

    bully, Oct 23, 2003 ... 2 3
    Replies:
    59
    Views:
    3,821
    Neiler
    Feb 15, 2005
  28. PRINCE75BISHOP

    Second gear on MKII’s

    prince75bishop, Oct 23, 2003
    Replies:
    4
    Views:
    5,649
    prince75bishop
    Oct 24, 2003
Showing threads 1 to 20 of 22,383

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