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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. Vendor Area

    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:
      298
      Posts:
      3,426
      298
      Discussions
      3,426
      Posts
      Latest: New Product Testing: DSM Stock Replacement MorrisonFab, Dec 14, 2019 at 3:21 PM

      1. Extreme PSI

      2. Street Tuned Motorsports

      3. Morrison Fabrication

      4. Member Specials

  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:
      4,246
      Posts:
      58,538
      4,246
      Discussions
      58,538
      Posts
      Latest: John Freund's Time Attack 99 Eclipse GSX RWD4G63, Dec 15, 2019 at 5:01 PM

      1. Non-DSM Build Journals

    2. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
      Discussions:
      1,661
      Posts:
      3,546
      1,661
      Discussions
      3,546
      Posts
      Latest: The Cheapest and the Best Ways to Get Every Ounce of Power from Your 420a BLACK'98DSM, Dec 13, 2019 at 10:31 AM

      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:
      11,987
      Posts:
      133,620
      11,987
      Discussions
      133,620
      Posts
      Latest: P0401 after cleaning egr KYLE JORGENSEN, Dec 15, 2019 at 3:23 PM

    3. Bolt-on Tech

      4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
      Discussions:
      26,957
      Posts:
      335,691
      26,957
      Discussions
      335,691
      Posts
      Latest: Bosch 2200 injectors tk106, Dec 14, 2019 at 10:18 AM

      1. Nitrous/Alcohol/Water Injection

      2. 1G N/T Tech

    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
      7,032
      Posts:
      116,359
      7,032
      Discussions
      116,359
      Posts
      Latest: Billet compressor wheels SouthIndy_Talon, Dec 15, 2019 at 2:49 PM

    5. Tuning & Engine Management

      4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
      Discussions:
      13,676
      Posts:
      126,665
      13,676
      Discussions
      126,665
      Posts
      Latest: Major Crack in JMFab Exhaust Manifold! tk106, Dec 15, 2019 at 12:58 PM

    6. Engine Swap Tech

      For all discussions surrounding engine swaps - DSM engines into other cars or other car engines into a DSM.
      Discussions:
      233
      Posts:
      2,769
      233
      Discussions
      2,769
      Posts
      Latest: 420 to 4g63 Thomas Mason, Dec 15, 2019 at 8:03 AM

      1. 3000GT/Stealth 4G63 Swaps

    7. Cylinder Head & Short Block

      4G63 cams, valvetrain, pistons, rods, stroker kits, 6-bolt swaps, hybrids, etc. Read this Forum's Strict Guidelines.
      Discussions:
      7,037
      Posts:
      82,865
      7,037
      Discussions
      82,865
      Posts
      Latest: Pushing coolant goonie, Dec 12, 2019 at 3:17 PM

      1. Stroker Tech

    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
      Discussions:
      1,083
      Posts:
      26,979
      1,083
      Discussions
      26,979
      Posts
      Latest: Tubular adjustable suspension parts for the entire chassis. Tubular subframes ec17pse, Dec 15, 2019 at 2:31 PM

    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
      8,175
      Posts:
      72,655
      8,175
      Discussions
      72,655
      Posts
      Latest: Electric Power Steering Column Brembo, Dec 15, 2019 at 12:34 PM

    10. Drivetrain Tech

      4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
      Discussions:
      12,284
      Posts:
      97,284
      12,284
      Discussions
      97,284
      Posts
      Latest: Noise from transmission...I think tk106, Dec 14, 2019 at 2:22 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:
      2,206
      Posts:
      15,596
      2,206
      Discussions
      15,596
      Posts
      Latest: Not getting a Check Engine Light. madmax4, Dec 14, 2019 at 9:54 PM

    12. Appearance/Interior/Exterior

      All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
      Discussions:
      20,296
      Posts:
      300,350
      20,296
      Discussions
      300,350
      Posts
      Latest: Custom Taillights Lense Coloring Kai Hefner, Dec 14, 2019 at 7:11 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:
      170,355
      Posts:
      1,675,313
      170,355
      Discussions
      1,675,313
      Posts
      Latest: Any takers ? Thomas Mason, Dec 13, 2019 at 7:55 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:
      9,082
      Posts:
      106,038
      9,082
      Discussions
      106,038
      Posts
      Latest: Egr delete motomattx, Dec 13, 2019 at 10:45 PM

    3. 420A Turbo Conversion

      Turbo kits, swaps, etc - specific to 2G N/T DSMs.
      Discussions:
      2,071
      Posts:
      25,109
      2,071
      Discussions
      25,109
      Posts
      Latest: turbo esi psi question langelg6, Nov 13, 2019

    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
      Discussions:
      325
      Posts:
      3,200
      325
      Discussions
      3,200
      Posts
      Latest: Brian crower cams p0300 BLACK'98DSM, Nov 29, 2019

    5. 420A Drivetrain Tech

      Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
      Discussions:
      368
      Posts:
      3,168
      368
      Discussions
      3,168
      Posts
      Latest: Dropping trans from the bottom CarNage, Nov 22, 2019

  5. Racing & Motorsports

    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
      Discussions:
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      Posts:
      64,130
      3,056
      Discussions
      64,130
      Posts
      Latest: Kiggly racings car motomattx, Nov 27, 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:
      1,036
      Posts:
      21,371
      1,036
      Discussions
      21,371
      Posts
      Latest: Aftermarket ball joints that change the roll center? RWD4G63, Dec 15, 2019 at 11:08 AM

    3. Dyno Talk

      For all the DSM dyno queens. Discuss dyno results here. For tuning discussions, use the Tuning Forum.
      Discussions:
      308
      Posts:
      9,044
      308
      Discussions
      9,044
      Posts
      Latest: 400whpstock 4g63 in Mercedes Smart pimpy rider, Dec 14, 2019 at 11:04 AM

  6. General

    1. Welcome Forum/Member Intro's

      Stop in and introduce yourself
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      Posts:
      23,025
      4,368
      Discussions
      23,025
      Posts
      Latest: It took 20 Years but I have one! Widgmaster, Dec 14, 2019 at 9:06 PM

    2. Site Problems/Feedback

      Need help using the site? Have a suggestion for us? Post your questions, concerns, comments, compliments, and feedback here.
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      29,976
      3,071
      Discussions
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      Latest: Phishing members rabenne, Dec 10, 2019 at 8:05 PM

      1. Polls and Surveys

    3. Site News

      News and updates about our site.
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      Posts:
      148
      92
      Discussions
      148
      Posts
      Latest: Buy a DSM Shootout Calendar Audiyo, Nov 5, 2019

  7. 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:
      37,589
      Posts:
      858,706
      37,589
      Discussions
      858,706
      Posts
      Latest: Adriana REPRESENTS at the WCF's!!! Carrie1999RS, Dec 13, 2019 at 9:57 PM

    2. Regional Discussions

      Connect with other local DSMers and organize DSM meets and track days.
      Discussions:
      20,912
      Posts:
      220,964
      20,912
      Discussions
      220,964
      Posts
      Latest: WTB manual seat belts and trim a91eagletalon, Dec 13, 2019 at 9:51 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 RixRacing RockAuto SouthBay Fuel Injectors STM Tuned Track Decals Track Sculptures VR Speed Factory WheelWell.com