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  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. General

    1. Site News

      News and updates about our site.
      Discussions:
      89
      Posts:
      106
      89
      Discussions
      106
      Posts
      Latest: DSM Profiles section now called Vehicle Profiles Ludachris, Apr 30, 2019

    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:
      302
      Posts:
      3,487
      302
      Discussions
      3,487
      Posts
      Latest: Install Photo Friday! iugrad92turbo, May 18, 2019 at 9:04 PM

      1. Extreme PSI

      2. Street Tuned Motorsports

      3. Morrison Fabrication

    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

      1. Polls and Surveys

    4. Welcome Forum/Member Intro's

      Stop in and introduce yourself
      Discussions:
      4,204
      Posts:
      22,078
      4,204
      Discussions
      22,078
      Posts
      Latest: New DSM owner in the PNW KDittoe, May 22, 2019 at 3:05 PM

  2. Articles & Journals

    1. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
      Discussions:
      1,637
      Posts:
      3,492
      1,637
      Discussions
      3,492
      Posts
      Latest: Easiest Way To Pull/Install A Trans Chumpaumpalumpa, May 7, 2019

      1. Articles: Manuals & Documents

      2. Articles: Intake & Exhaust

      3. Articles: Turbo System & Intercooler

      4. Articles: Engine & Fuel

      5. Articles: Drivetrain

      6. Articles: Suspension & Brakes

      7. Articles: Electrical & Wiring

      8. Articles: Tuning & ECU

      9. Articles: Exterior/Interior

      10. Articles: 420A-specific

      12. Articles: Parts Fabrication

      13. Articles: Miscellaneous

      14. Articles: Parts Feedback & Reviews

    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:
      3,825
      Posts:
      55,758
      3,825
      Discussions
      55,758
      Posts
      Latest: issa_dsm Brandon Nicholson, May 22, 2019 at 4:53 PM

      1. Non-DSM Build Journals

  3. DSM Tech Q&A

    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
      Latest: Differences between 90 and 91 cars Mitsu-MattGSX, Nov 5, 2017

    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:
      11,538
      Posts:
      128,279
      11,538
      Discussions
      128,279
      Posts
      Latest: 93 talon es rear breaks o0GuitarKid0o, May 22, 2019 at 3:54 PM

    3. Bolt-on Tech

      4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
      Discussions:
      26,867
      Posts:
      334,582
      26,867
      Discussions
      334,582
      Posts
      Latest: Intercooler question Evolving_sti, May 18, 2019 at 12:06 AM

      1. Nitrous/Alcohol/Water Injection

      2. 1G N/T Tech

    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
      6,973
      Posts:
      115,511
      6,973
      Discussions
      115,511
      Posts
      Latest: Part throttle compressor surge with a small 16g? rEclipserGST, May 22, 2019 at 3:57 PM

    5. Tuning & Engine Management

      4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
      Discussions:
      13,553
      Posts:
      125,219
      13,553
      Discussions
      125,219
      Posts
      Latest: Power peaks at 6K and drops off... HX40/272 What gives? 97gsxIA, May 22, 2019 at 4:25 PM

    6. Engine Swap Tech

      For all discussions surrounding engine swaps - DSM engines into other cars or other car engines into a DSM.
      Discussions:
      207
      Posts:
      2,541
      207
      Discussions
      2,541
      Posts
      Latest: 98' Engine into 96' chassis wiring harness Chris_Guthrie, May 21, 2019 at 7:08 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:
      6,965
      Posts:
      82,059
      6,965
      Discussions
      82,059
      Posts
      Latest: Boost/power limit on Non-oring head/block DSMPT, May 21, 2019 at 11:24 PM

      1. Stroker Tech

    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
      Discussions:
      1,063
      Posts:
      26,836
      1,063
      Discussions
      26,836
      Posts
      Latest: Bullfab crossmember fitment TWOpointFORliter, May 22, 2019 at 1:56 PM

    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
      8,143
      Posts:
      72,319
      8,143
      Discussions
      72,319
      Posts
      Latest: How much neg camber will I need to correct? AvengersVenom, May 21, 2019 at 3:13 PM

    10. Drivetrain Tech

      4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
      Discussions:
      12,163
      Posts:
      95,912
      12,163
      Discussions
      95,912
      Posts
      Latest: Talon AWD 5-speed gear issue -- Any Huntsville local SME's? vanroth, May 19, 2019 at 1:10 PM

      1. Automatic Tranny

    11. Electrical Tech

      Wiring, turbo timers, electronic boost controllers, gauges, fuses, wiring harnesses, wire tucks, car audio, and all other electrical component discussions.
      Discussions:
      2,085
      Posts:
      14,610
      2,085
      Discussions
      14,610
      Posts
      Latest: PTU/ noise capacitor 1990TSIAWDTALON, May 22, 2019 at 1:08 PM

    12. Appearance/Interior/Exterior

      All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
      Discussions:
      20,225
      Posts:
      299,581
      20,225
      Discussions
      299,581
      Posts
      Latest: Automotive touch up tk106, May 20, 2019 at 5:05 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:
      170,331
      Posts:
      1,675,708
      170,331
      Discussions
      1,675,708
      Posts
      Latest: Fuel pump issue. mitsuowner1991, May 22, 2019 at 3:32 PM

      1. Newbie Thread Graveyard

  4. 420A DSM Tech

    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:
      9,041
      Posts:
      105,579
      9,041
      Discussions
      105,579
      Posts
      Latest: E85 soon, tips? BLACK'98DSM, May 22, 2019 at 9:56 AM

    3. 420A Turbo Conversion

      Turbo kits, swaps, etc - specific to 2G N/T DSMs.
      Discussions:
      2,069
      Posts:
      25,086
      2,069
      Discussions
      25,086
      Posts
      Latest: Maximum boost on stock fuel system VelocitàPaola, May 14, 2019

    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
      Discussions:
      322
      Posts:
      3,098
      322
      Discussions
      3,098
      Posts
      Latest: Stock Rev Limiter? BLACK'98DSM, May 4, 2019

    5. 420A Drivetrain Tech

      Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
      Discussions:
      360
      Posts:
      3,075
      360
      Discussions
      3,075
      Posts
      Latest: Manual Trans BLACK'98DSM, May 13, 2019

  5. Racing & Motorsports

    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
      Discussions:
      3,039
      Posts:
      63,891
      3,039
      Discussions
      63,891
      Posts
      Latest: The 14b Drag Race Discussion Thread biglady112, May 14, 2019

    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:
      21,227
      1,024
      Discussions
      21,227
      Posts
      Latest: 1G AutoX - Pittsburgh Ludachris, May 8, 2019

    3. Dyno Talk

      For all the DSM dyno queens. Discuss dyno results here. For tuning discussions, use the Tuning Forum.
      Discussions:
      304
      Posts:
      8,997
      304
      Discussions
      8,997
      Posts
      Latest: BW S364 Dyno Yellow90tsi coltboostin, May 21, 2019 at 11:49 PM

  6. Community

    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:
      37,471
      Posts:
      857,162
      37,471
      Discussions
      857,162
      Posts
      Latest: What did you do to your DSM today? curt-s, May 22, 2019 at 3:32 PM

    2. Regional Discussions

      Connect with other local DSMers and organize DSM meets and track days.
      Discussions:
      20,894
      Posts:
      220,605
      20,894
      Discussions
      220,605
      Posts
      Latest: Built 1G DSM for sale AS IS ($4500OBO) bomper04, May 22, 2019 at 4:57 PM

      1. Pacific Northwest Region DSM

        1. Seattle Area DSM Forum

        2. Portland Area DSM Forum

        3. Boise Area DSM Forum

        4. Anchorage Area DSM Forum

      2. NorCal Region DSM

        1. San Francisco Bay Area DSM Forum

        2. Sacramento Area DSM Forum

        3. Fresno Area DSM Forum

      3. SoCal Region DSM

        1. San Diego Area DSM Forum

        2. Los Angeles & Inland Empire DSM Forum

      4. Southwest Region DSM

        1. Las Vegas DSM Forum

        2. Phoenix Area DSM Forum

        3. Tucson Area DSM Forum

        4. Albuquerque Area DSM Forum

      5. Rocky Mountain Region DSM

        1. Denver Area DSM Forum

        2. Salt Lake City Area DSM Forum

        3. Cheyenne Area DSM Forum

        4. Billings Area DSM Forum

      6. Gulf Coast Region DSM

        1. Dallas Area DSM Forum

        2. Austin Area DSM Forum

        3. Houston Area DSM Forum

        4. El Paso Area DSM Forum

        5. San Antonio DSM Forum

        6. New Orleans Area DSM Forum

        7. Jackson Area DSM Forum

        8. Birmingham Area DSM Forum

      7. Midwest Region DSM

        1. Fargo Area DSM Forum

        2. Bismarck Area DSM Forum

        3. Rapid City Area DSM Forum

        4. Sioux Falls Area DSM Forum

        5. Omaha Area DSM Forum

        6. Des Moines Area DSM Forum

        7. Kansas City Area DSM Forum

        8. St Louis Area DSM Forum

        9. Memphis Area DSM Forum

        10. Nashville Area DSM Forum

        11. Little Rock Area DSM Forum

        12. Lexington Area DSM Forum

        13. Knoxville Area DSM Forum

        14. OKC-Tulsa Area DSM Forum

      8. Great Lakes Region DSM

        1. Minneapolis Area DSM Forum

        2. Springfield Area DSM Forum

        3. Chicago Area DSM Forum

        4. Indianapolis Area DSM Forum

        5. Milwaukee Are DSM Forum

        6. Detroit Area DSM Forum

        7. Columbus Area DSM Forum

        8. Cleveland Area DSM Forum

        9. Cincinnati Area DSM Forum

      9. Tri State Region DSM

        1. Pittsburgh Area DSM Forum

        2. New York Area DSM Forum

        3. Scranton Area DSM Forum

        4. Buffalo Area DSM Forum

        5. Syracuse Area DSM Forum

        6. Albany Area DSM Forum

        7. Harrisburg Area DSM Forum

        8. Philadelphia Area DSM Forum

        9. South Jersey Area DSM Forum

      10. Mid Atlantic Region DSM

        1. Virginia Beach Area DSM Forum

        2. Richmond Area DSM Forum

        3. Baltimore Area DSM Forum

        4. D.C. Area DSM Forum

      11. New England Region DSM

        1. Hartford Area DSM Forum

        2. Bridgeport Area DSM Forum

        3. Providence Area DSM Forum

        4. Boston Area DSM Forum

      12. Southeast Region DSM

        1. Miami Area DSM Forum

        2. Tampa Area DSM Forum

        3. Jacksonville Area DSM Forum

        4. Orlando Area DSM Forum

        5. Tallahassee Area DSM Forum

        6. Atlanta Area DSM Forum

        7. Savannah Area DSM Forum

        8. Charleston Area DSM Forum

        9. Charlotte Area DSM Forum

        10. Raleigh Area DSM Forum

        11. Greensboro Area DSM Forum

      13. Canada DSM Forum

      14. All Other Areas

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