Please Support ExtremePSI
Please Support STM Tuned
  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. Site News

      News and updates about our site.
      Discussions:
      88
      Posts:
      105
      88
      Discussions
      105
      Posts
    2. 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:
      297
      Posts:
      3,446
      297
      Discussions
      3,446
      Posts
      Latest: Morrison Fabrications Welding Thread MorrisonFab, Apr 17, 2019 at 3:36 PM
    3. Site Problems/Feedback

      Need help using the site? Have a suggestion for us? Post your questions, concerns, comments, compliments, and feedback here.
      Discussions:
      3,064
      Posts:
      29,898
      3,064
      Discussions
      29,898
      Posts
      Latest: Can't update my profile Ludachris, Mar 28, 2019
    4. Welcome Forum/Member Intro's

      Stop in and introduce yourself
      Discussions:
      4,161
      Posts:
      21,886
      4,161
      Discussions
      21,886
      Posts
    1. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
      Discussions:
      1,635
      Posts:
      3,491
      1,635
      Discussions
      3,491
      Posts
      Latest: Power Steering Pump Modification silvreclips, Apr 17, 2019 at 2:29 PM
    2. 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 DSM Profile. A Build Thread will be created in this forum automatically.
      Discussions:
      3,734
      Posts:
      55,349
      3,734
      Discussions
      55,349
      Posts
      Latest: Track Build Proton Satria Fareedfredo, Apr 17, 2019 at 11:54 PM
    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:
      135
      Posts:
      325
      135
      Discussions
      325
      Posts
    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:
      11,452
      Posts:
      127,339
      11,452
      Discussions
      127,339
      Posts
      Latest: SPEED SENSOR ThunderChild, Apr 16, 2019 at 7:38 PM
    3. Bolt-on Tech

      4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
      Discussions:
      26,857
      Posts:
      334,370
      26,857
      Discussions
      334,370
      Posts
      Latest: Wiring both fans to run together Detail, Apr 16, 2019 at 1:13 PM
    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
      6,964
      Posts:
      115,326
      6,964
      Discussions
      115,326
      Posts
      Latest: FP Black goes 8.67 in the 1/4 Ben-Stian, Apr 17, 2019 at 3:38 PM
    5. Tuning & Engine Management

      4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
      Discussions:
      13,529
      Posts:
      124,963
      13,529
      Discussions
      124,963
      Posts
    6. Engine Swap Tech

      For all discussions surrounding engine swaps - DSM engines into other cars or other car engines into a DSM.
      Discussions:
      203
      Posts:
      2,492
      203
      Discussions
      2,492
      Posts
      Latest: Dohc head swap. N.A. jonathan lemons, Apr 16, 2019 at 5:07 PM
    7. Cylinder Head & Short Block

      4G63 cams, valvetrain, pistons, rods, stroker kits, 6-bolt swaps, hybrids, etc. Read this Forum's Strict Guidelines.
      Discussions:
      6,954
      Posts:
      81,956
      6,954
      Discussions
      81,956
      Posts
      Latest: What went wrong? Bearing Failure ThunderChild, Apr 18, 2019 at 3:13 AM
    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
      Discussions:
      1,056
      Posts:
      26,751
      1,056
      Discussions
      26,751
      Posts
      Latest: Floor mounted pedals Heavy_D, Apr 14, 2019 at 4:12 PM
    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
      8,131
      Posts:
      72,188
      8,131
      Discussions
      72,188
      Posts
      Latest: Alternative Brake Master Cylinder Reservoir ec17pse, Apr 16, 2019 at 11:44 PM
    10. Drivetrain Tech

      4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
      Discussions:
      12,148
      Posts:
      95,740
      12,148
      Discussions
      95,740
      Posts
      Latest: 3g shifter in 2g? awd4g63turbo, Apr 16, 2019 at 12:03 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:
      2,072
      Posts:
      14,503
      2,072
      Discussions
      14,503
      Posts
      Latest: Plug identification needed under drivers seat. smevox, Apr 15, 2019 at 10:05 PM
    12. Appearance/Interior/Exterior

      All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
      Discussions:
      20,212
      Posts:
      299,494
      20,212
      Discussions
      299,494
      Posts
      Latest: Custom Vents w/ Guages ec17pse, Apr 16, 2019 at 10:09 AM
    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:
      170,350
      Posts:
      1,676,026
      170,350
      Discussions
      1,676,026
      Posts
      Latest: EVO III IM EGR port as a secondary boost source? DSMPT, Apr 18, 2019 at 5:48 AM
    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:
      9,032
      Posts:
      105,469
      9,032
      Discussions
      105,469
      Posts
    3. 420A Turbo Conversion

      Turbo kits, swaps, etc - specific to 2G N/T DSMs.
      Discussions:
      2,066
      Posts:
      25,072
      2,066
      Discussions
      25,072
      Posts
    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
      Discussions:
      321
      Posts:
      3,095
      321
      Discussions
      3,095
      Posts
    5. 420A Drivetrain Tech

      Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
      Discussions:
      356
      Posts:
      3,045
      356
      Discussions
      3,045
      Posts
    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
      Discussions:
      3,038
      Posts:
      63,885
      3,038
      Discussions
      63,885
      Posts
    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:
      1,024
      Posts:
      21,223
      1,024
      Discussions
      21,223
      Posts
    3. Dyno Talk

      For all the DSM dyno queens. Discuss dyno results here. For tuning discussions, use the Tuning Forum.
      Discussions:
      304
      Posts:
      8,996
      304
      Discussions
      8,996
      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:
      37,461
      Posts:
      857,054
      37,461
      Discussions
      857,054
      Posts
      Latest: 110 PSI At 80,000 RPM ThunderChild, Apr 17, 2019 at 12:40 AM
    2. Regional Discussions

      Connect with other local DSMers and organize DSM meets and track days.
      Discussions:
      20,871
      Posts:
      220,438
      20,871
      Discussions
      220,438
      Posts
      Latest: DSMers in Lacey/Olympia area? Wolfking, Apr 17, 2019 at 6:02 PM
Support Vendors who Support the DSM Community
Ace Race Parts Archer Fabrication Boostin Performance ECM Tuning ExtremePSI Feal Suspension Fuel Injector Clinic Jacks Transmissions JNZ Tuning Kiggly Racing Morrison Fabrications OHM Racing RockAuto SouthBay Fuel Injectors STM Tuned VR Speed Factory White Shed Speed