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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:
      90
      Posts:
      121
      90
      Discussions
      121
      Posts
      Latest: Brett's VR-4 Featured in Super Street Magazine Ludachris, Aug 12, 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:
      274
      Posts:
      3,130
      274
      Discussions
      3,130
      Posts
      Latest: Are you organizing a car show? Ludachris, Aug 21, 2019 at 11:44 AM

      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:
      3,067
      Posts:
      29,906
      3,067
      Discussions
      29,906
      Posts
      Latest: Add Link G4 prefix in tuning section lglracer, Aug 22, 2019 at 3:51 AM

      1. Polls and Surveys

    4. Welcome Forum/Member Intro's

      Stop in and introduce yourself
      Discussions:
      4,275
      Posts:
      22,498
      4,275
      Discussions
      22,498
      Posts
      Latest: Back in an Eclipse! Evolving_sti, Aug 20, 2019 at 3:20 PM

  2. Articles & Journals

    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:
      3,990
      Posts:
      56,802
      3,990
      Discussions
      56,802
      Posts
      Latest: Techboy's 99 4G63 techboy, Aug 21, 2019 at 10:36 PM

      1. Non-DSM Build Journals

    2. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
      Discussions:
      1,645
      Posts:
      3,502
      1,645
      Discussions
      3,502
      Posts
      Latest: Evolution 8 or 9 mr oem guage light replacement with pics. Evo joe, Jul 24, 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

  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:
      11,753
      Posts:
      130,618
      11,753
      Discussions
      130,618
      Posts
      Latest: Turbo oil leak RentonRager, Aug 21, 2019 at 10:55 PM

    3. Bolt-on Tech

      4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
      Discussions:
      26,911
      Posts:
      335,072
      26,911
      Discussions
      335,072
      Posts
      Latest: STM Fast Idle Air Valve Bypass Plate Cherry, Aug 21, 2019 at 6:07 PM

      1. Nitrous/Alcohol/Water Injection

      2. 1G N/T Tech

    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
      6,998
      Posts:
      115,850
      6,998
      Discussions
      115,850
      Posts
      Latest: Who’s running high boost on tial 44mm wastegate? 1cleangsx, Aug 21, 2019 at 10:37 PM

    5. Tuning & Engine Management

      4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
      Discussions:
      13,612
      Posts:
      125,768
      13,612
      Discussions
      125,768
      Posts
      Latest: Aftermarket Knock sensors Link G4 lglracer, Aug 22, 2019 at 3:48 AM

    6. Engine Swap Tech

      For all discussions surrounding engine swaps - DSM engines into other cars or other car engines into a DSM.
      Discussions:
      214
      Posts:
      2,614
      214
      Discussions
      2,614
      Posts
      Latest: chery or am i crazy? delta448, Aug 2, 2019

    7. Cylinder Head & Short Block

      4G63 cams, valvetrain, pistons, rods, stroker kits, 6-bolt swaps, hybrids, etc. Read this Forum's Strict Guidelines.
      Discussions:
      6,998
      Posts:
      82,414
      6,998
      Discussions
      82,414
      Posts
      Latest: Max Boost on Stock Short Block? TurboRay, Aug 22, 2019 at 2:59 AM

      1. Stroker Tech

    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
      Discussions:
      1,074
      Posts:
      26,947
      1,074
      Discussions
      26,947
      Posts
      Latest: Tubular adjustable suspension parts for the entire chassis ec17pse, Aug 15, 2019

    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
      8,154
      Posts:
      72,449
      8,154
      Discussions
      72,449
      Posts
      Latest: Reasonably Priced Brake Rotors that don't Warp? steve, Aug 18, 2019 at 10:47 AM

    10. Drivetrain Tech

      4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
      Discussions:
      12,215
      Posts:
      96,495
      12,215
      Discussions
      96,495
      Posts
      Latest: Driver side axle randman2011, Aug 21, 2019 at 2:45 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:
      2,138
      Posts:
      15,077
      2,138
      Discussions
      15,077
      Posts
      Latest: Interior harness connector? Pedro S, Aug 21, 2019 at 10:04 PM

    12. Appearance/Interior/Exterior

      All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
      Discussions:
      20,260
      Posts:
      299,910
      20,260
      Discussions
      299,910
      Posts
      Latest: Ceramic coated exhaust manifold Mello, Aug 21, 2019 at 6:40 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:
      170,338
      Posts:
      1,675,597
      170,338
      Discussions
      1,675,597
      Posts
      Latest: Camshaft rotation John Mark Dongon, Aug 22, 2019 at 5:03 AM

      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:
      9,054
      Posts:
      105,767
      9,054
      Discussions
      105,767
      Posts
      Latest: Low Idle BLACK'98DSM, Aug 20, 2019 at 10:07 AM

    3. 420A Turbo Conversion

      Turbo kits, swaps, etc - specific to 2G N/T DSMs.
      Discussions:
      2,069
      Posts:
      25,090
      2,069
      Discussions
      25,090
      Posts
      Latest: Mild Hesitating, Lean around 4k Auto RS T, Aug 8, 2019

    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
      Discussions:
      323
      Posts:
      3,107
      323
      Discussions
      3,107
      Posts
      Latest: Tuning solution DSMPT, Jul 17, 2019

    5. 420A Drivetrain Tech

      Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
      Discussions:
      361
      Posts:
      3,081
      361
      Discussions
      3,081
      Posts
      Latest: What fluid to use in manual trans with Quaife lsd? silvreclips, Jul 15, 2019

  5. Racing & Motorsports

    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
      Discussions:
      3,049
      Posts:
      63,995
      3,049
      Discussions
      63,995
      Posts
      Latest: Eagle Talon quartermile and hillclimb finland dyn4, Aug 20, 2019 at 9:40 AM

    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:
      1,027
      Posts:
      21,250
      1,027
      Discussions
      21,250
      Posts
      Latest: Aftermarket ball joints that change the roll center? talon77, Aug 12, 2019

    3. Dyno Talk

      For all the DSM dyno queens. Discuss dyno results here. For tuning discussions, use the Tuning Forum.
      Discussions:
      306
      Posts:
      9,004
      306
      Discussions
      9,004
      Posts
      Latest: PFI Speed tuning a Talon blue blaze, Aug 5, 2019

  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:
      37,505
      Posts:
      857,566
      37,505
      Discussions
      857,566
      Posts
      Latest: 2019 Shootout Photos and Videos 95talongirl, Aug 22, 2019 at 1:17 AM

    2. Regional Discussions

      Connect with other local DSMers and organize DSM meets and track days.
      Discussions:
      20,891
      Posts:
      220,753
      20,891
      Discussions
      220,753
      Posts
      Latest: Wiring Issues In Champaign Illinois... Looking For Help... Twizted99GSX, Aug 21, 2019 at 6:34 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
Archer Fabrication 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 WheelWell.com White Shed Speed