Please Support STM Tuned
Please Support ExtremePSI
  1. Join the Community!

    DSMtuners is a massive archive of DSM information - but more importantly, it's a COMMUNITY! Join in and participate with other DSMers, and invite all of your DSM friends to make this place their home. Chat with others, create a build thread, post questions and answers. Get involved! Logging in will also remove many of the advertisements, along with this notice. ;)

    1. Vendor Announcements

      Special sales, group buys, and product announcements from our supporting vendors. We encourage you to support vendors who support the DSM community.
      Discussions:
      323
      Posts:
      3,844
      323
      Discussions
      3,844
      Posts
      Latest: RTM Racing - new (here) vendor iugrad92turbo, Sep 20, 2020 at 8:01 AM
    1. DSM Build Journals

      Start a Journal to document your DSM build and document race events, dyno days, etc for the car. To create a Build Journal you will need to Create a Vehicle Profile. A Build Thread will be created in this forum automatically.
      Discussions:
      4,838
      Posts:
      63,697
      4,838
      Discussions
      63,697
      Posts
      Latest: 4g 71 super beetle crash89, Sep 20, 2020 at 10:06 PM
    2. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
      Discussions:
      1,688
      Posts:
      3,639
      1,688
      Discussions
      3,639
      Posts
      Latest: 10 Tips for New DSMers (video) bo0st, Sep 17, 2020 at 8:33 AM
    1. Frequently Answered DSM Questions

      A collection of very common and repetitive DSM questions with links to the answers. Required reading for all newbies! All threads in this forum are locked, replies are disabled.
      Discussions:
      136
      Posts:
      329
      136
      Discussions
      329
      Posts
      Latest: 6 or 7 Bolt Flywheel? Mham2k, Dec 18, 2019
    2. Maintenance & Repairs

      Oil choices, timing belt, setting timing, CV boot replacement, alternator servicing, fuse/relay checks, and other basic maintenance, repair and diagnosis Q&A.
      Discussions:
      12,440
      Posts:
      140,268
      12,440
      Discussions
      140,268
      Posts
      Latest: 1g abs delete OLDDOOD, Sep 20, 2020 at 11:12 PM
    3. Bolt-on Tech

      4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
      Discussions:
      27,075
      Posts:
      337,205
      27,075
      Discussions
      337,205
      Posts
      Latest: Racefab baffled oil pan (7-bolt) ec17pse, Sep 18, 2020 at 11:54 PM
    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
      7,116
      Posts:
      117,350
      7,116
      Discussions
      117,350
      Posts
      Latest: Holset (7 blade hx35) turbing housings jpmxrider489, Sep 19, 2020 at 12:59 AM
    5. Tuning & Engine Management

      4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
      Discussions:
      13,831
      Posts:
      128,316
      13,831
      Discussions
      128,316
      Posts
      Latest: ECMlink Critique idle/small cruise log!! bomishketi4, Sep 21, 2020 at 3:11 AM
    6. Engine Swap Tech

      For all discussions surrounding engine swaps - DSM engines into other cars or other car engines into a DSM.
      Discussions:
      270
      Posts:
      3,150
      270
      Discussions
      3,150
      Posts
    7. Cylinder Head & Short Block

      4G63 cams, valvetrain, pistons, rods, stroker kits, 6-bolt swaps, hybrids, etc. Read this Forum's Strict Guidelines.
      Discussions:
      7,141
      Posts:
      83,991
      7,141
      Discussions
      83,991
      Posts
      Latest: Just heard about shimming Sam's GSX, Sep 20, 2020 at 2:47 PM
    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
      Discussions:
      1,122
      Posts:
      27,467
      1,122
      Discussions
      27,467
      Posts
      Latest: 2G 2g catch can design!! bomishketi4, Sep 21, 2020 at 3:25 AM
    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
      8,223
      Posts:
      73,236
      8,223
      Discussions
      73,236
      Posts
    10. Drivetrain Tech

      4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
      Discussions:
      12,422
      Posts:
      98,967
      12,422
      Discussions
      98,967
      Posts
      Latest: High HP FWD Clutch Selection GreenAWD, Sep 20, 2020 at 7:28 PM
    11. Electrical Tech

      Wiring, turbo timers, electronic boost controllers, gauges, fuses, wiring harnesses, wire tucks, car audio, and all other electrical component discussions.
      Discussions:
      2,351
      Posts:
      16,981
      2,351
      Discussions
      16,981
      Posts
      Latest: Lc1 wideband wiring question El Cuervo, Sep 20, 2020 at 3:02 PM
    12. Appearance/Interior/Exterior

      All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
      Discussions:
      20,384
      Posts:
      301,371
      20,384
      Discussions
      301,371
      Posts
      Latest: 2g eclipse tail lights ErikTande, Sep 20, 2020 at 11:12 PM
    13. Newbie Forum

      Common, repetitive, beginner DSM questions that have been asked and answered thousands of times. We use this forum as a dumping ground for noob questions.
      Discussions:
      170,417
      Posts:
      1,674,808
      170,417
      Discussions
      1,674,808
      Posts
    1. DSM 420A Frequently Answered Questions

      All the common and repetitive 420A DSM questions asked with links to the answers. Read-only.
      Discussions:
      7
      Posts:
      31
      7
      Discussions
      31
      Posts
      Latest: Cylinder head parts list BogusSVO, Nov 28, 2012
    2. 420A Bolt-on Tech

      Intake, exhaust, ignition, fuel system, cooling, etc - specific to 2G N/T DSMs.
      Discussions:
      9,107
      Posts:
      106,334
      9,107
      Discussions
      106,334
      Posts
      Latest: Stock Exhaust Cam? KYLE JORGENSEN, Sep 10, 2020
    3. 420A Turbo Conversion

      Turbo kits, swaps, etc - specific to 2G N/T DSMs.
      Discussions:
      2,079
      Posts:
      25,180
      2,079
      Discussions
      25,180
      Posts
      Latest: Almost complete 400+ hp Andruxa86, Sep 7, 2020
    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
      Discussions:
      338
      Posts:
      3,290
      338
      Discussions
      3,290
      Posts
      Latest: 99 mitsubishi eclipse 420a ecu issue Big Viking, Sep 20, 2020 at 8:57 PM
    5. 420A Drivetrain Tech

      Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
      Discussions:
      380
      Posts:
      3,248
      380
      Discussions
      3,248
      Posts
      Latest: Shift Cable retaining clip TSiAWD666, Sep 6, 2020
    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
      Discussions:
      3,067
      Posts:
      64,425
      3,067
      Discussions
      64,425
      Posts
      Latest: FWD 5 speed 60 foot. jed344, Sep 17, 2020 at 9:18 PM
    2. Road Course & Autocross

      Autocross, Road Race, and Open Track Event discussions. Preparation, technique, tips, and stories from the events. Tell us about your last event.
      Discussions:
      1,042
      Posts:
      21,474
      1,042
      Discussions
      21,474
      Posts
      Latest: DSM Track Records/Lap Times gsxitement, Aug 12, 2020
    3. Dyno Talk

      For all the DSM dyno queens. Discuss dyno results here. For tuning discussions, use the Tuning Forum.
      Discussions:
      314
      Posts:
      9,111
      314
      Discussions
      9,111
      Posts
    1. Welcome Forum/Member Intro's

      Stop in and introduce yourself
      Discussions:
      4,552
      Posts:
      24,091
      4,552
      Discussions
      24,091
      Posts
    2. Site News

      News and updates from the site administration.
      Discussions:
      93
      Posts:
      199
      93
      Discussions
      199
      Posts
    1. The Hangout

      All off topic, non-DSM, non-technical related discussions. Still no politics, religion, or hot button topics. Play nice or get booted!
      Discussions:
      37,744
      Posts:
      861,244
      37,744
      Discussions
      861,244
      Posts
      Latest: Best DSM Craigslist post of the day TK's9d2TSi, Sep 20, 2020 at 10:23 PM
    2. Regional Discussions

      Connect with other local DSMers and organize DSM meets and track days.
      Discussions:
      20,963
      Posts:
      221,373
      20,963
      Discussions
      221,373
      Posts
      Latest: Looking For Someone To Work On My DSM bo0st, Sep 20, 2020 at 3:41 PM
Support Vendors who Support the DSM Community
Boosted Fabrication ECM Tuning ExtremePSI Feal Suspension Fuel Injector Clinic Jacks Transmissions JNZ Tuning Kiggly Racing Morrison Fabrications OHM Racing Raven Fabrication RixRacing RockAuto SouthBay Fuel Injectors STM Tuned Track Decals Track Sculptures VR Speed Factory