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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:
      332
      Posts:
      3,897
      332
      Discussions
      3,897
      Posts
      Latest: *NEW PRODUCT* AF 2G Spare Tire well delete panels! dwdsm, Oct 28, 2020 at 10:35 AM

      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:
      4,916
      Posts:
      64,136
      4,916
      Discussions
      64,136
      Posts
      Latest: 99 GSX Rebirth/Clean-Up/Build Doubleot, Oct 29, 2020 at 6:37 AM

      1. Non-DSM Build Journals

    2. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
      Discussions:
      1,690
      Posts:
      3,662
      1,690
      Discussions
      3,662
      Posts
      Latest: How to fix your idle surge problem. Brian Phelps, Oct 26, 2020 at 1:10 PM

      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

      14. Articles: Miscellaneous

      15. 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:
      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:
      12,512
      Posts:
      140,941
      12,512
      Discussions
      140,941
      Posts
      Latest: Carter Fuel Pump any good Dr-Evil, Oct 29, 2020 at 7:43 AM

    3. Bolt-on Tech

      4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
      Discussions:
      27,089
      Posts:
      337,365
      27,089
      Discussions
      337,365
      Posts
      Latest: Accidentally bought eagle rods. Forged pistons or no? walidd, Oct 28, 2020 at 3:31 PM

      1. Nitrous/Alcohol/Water Injection

      2. 1G N/T Tech

    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
      7,125
      Posts:
      117,453
      7,125
      Discussions
      117,453
      Posts
      Latest: Turbocharging a 4G64 DSM_delinquency, Oct 27, 2020 at 10:58 AM

    5. Tuning & Engine Management

      4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
      Discussions:
      13,842
      Posts:
      128,435
      13,842
      Discussions
      128,435
      Posts
      Latest: Can i run a gst ecu with link in my N/A spyder DogWhistle, Oct 29, 2020 at 8:42 AM

    6. Engine Swap Tech

      For all discussions surrounding engine swaps - DSM engines into other cars or other car engines into a DSM.
      Discussions:
      274
      Posts:
      3,176
      274
      Discussions
      3,176
      Posts
      Latest: Planning to swap a 4G6X into an FC RX7 help. motomattx, Oct 26, 2020 at 9:41 PM

      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:
      7,168
      Posts:
      84,224
      7,168
      Discussions
      84,224
      Posts
      Latest: What's an acceptable oil tolerance for camshaft journals? 88BB8B, Oct 23, 2020 at 8:38 PM

      1. Stroker Tech

    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
      Discussions:
      1,126
      Posts:
      27,550
      1,126
      Discussions
      27,550
      Posts
      Latest: RUST ON GSX Fyke, Oct 28, 2020 at 3:38 PM

    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
      8,226
      Posts:
      73,346
      8,226
      Discussions
      73,346
      Posts
      Latest: Restoring front end suspension: Which parts to replace? XC92, Oct 22, 2020

    10. Drivetrain Tech

      4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
      Discussions:
      12,443
      Posts:
      99,212
      12,443
      Discussions
      99,212
      Posts
      Latest: Ok to reuse manual trans oil? XC92, Oct 29, 2020 at 6:58 AM

      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:
      2,371
      Posts:
      17,119
      2,371
      Discussions
      17,119
      Posts
      Latest: I need help with the SRS light spyderdrifter, Oct 29, 2020 at 2:15 AM

    12. Appearance/Interior/Exterior

      All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
      Discussions:
      20,392
      Posts:
      301,479
      20,392
      Discussions
      301,479
      Posts
      Latest: Doors flap in the breeze Mech Addict, Oct 29, 2020 at 5:28 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:
      170,428
      Posts:
      1,674,919
      170,428
      Discussions
      1,674,919
      Posts
      Latest: 4 month old e85 = white smoke TK's9d2TSi, Oct 28, 2020 at 5:15 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:
      9,109
      Posts:
      106,354
      9,109
      Discussions
      106,354
      Posts
      Latest: test pipe BLACK'98DSM, Oct 26, 2020 at 6:46 PM

    3. 420A Turbo Conversion

      Turbo kits, swaps, etc - specific to 2G N/T DSMs.
      Discussions:
      2,080
      Posts:
      25,199
      2,080
      Discussions
      25,199
      Posts
      Latest: I need help 420a turbo freshlane, Oct 25, 2020 at 5:51 AM

    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
      Discussions:
      339
      Posts:
      3,359
      339
      Discussions
      3,359
      Posts
      Latest: New megasquirt install and no spark or fuel biglady112, Oct 22, 2020

    5. 420A Drivetrain Tech

      Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
      Discussions:
      381
      Posts:
      3,254
      381
      Discussions
      3,254
      Posts
      Latest: Auto Trans Goes Into Limp Mode NVdsm, Oct 14, 2020

  5. Racing & Motorsports

    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
      Discussions:
      3,068
      Posts:
      64,438
      3,068
      Discussions
      64,438
      Posts
      Latest: The 16g Drag Race Discussion Thread 95GSXracer, Oct 21, 2020

    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:
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      Posts:
      21,477
      1,043
      Discussions
      21,477
      Posts
      Latest: Nine Lives wing gsxitement, Oct 11, 2020

    3. Dyno Talk

      For all the DSM dyno queens. Discuss dyno results here. For tuning discussions, use the Tuning Forum.
      Discussions:
      314
      Posts:
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      314
      Discussions
      9,111
      Posts
      Latest: hx35 dyno results 515/[email protected] TWOpointFORliter, May 18, 2020

  6. General

    1. Welcome Forum/Member Intro's

      Stop in and introduce yourself
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      Posts:
      24,149
      4,567
      Discussions
      24,149
      Posts
      Latest: New Widgmaster, Oct 24, 2020 at 7:47 AM

    2. Site News

      News and updates from the site administration.
      Discussions:
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      Posts:
      199
      93
      Discussions
      199
      Posts
      Latest: Shootout 2020 Cancelled - but Alternate Event In Play 95GSXracer, Aug 28, 2020

  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:
      37,761
      Posts:
      861,413
      37,761
      Discussions
      861,413
      Posts
      Latest: DSM Tuners stickers/decals GSXbooster, Oct 28, 2020 at 1:57 PM

    2. Regional Discussions

      Connect with other local DSMers and organize DSM meets and track days.
      Discussions:
      20,969
      Posts:
      221,410
      20,969
      Discussions
      221,410
      Posts
      Latest: *OFFICIAL* Phoenix Area DSMer Intro Thread AZmocoLoco, Oct 27, 2020 at 1:33 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

        15. Wichita 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
Boosted Fabrication ECM Tuning ExtremePSI Feal Suspension Fuel Injector Clinic Jacks Transmissions JNZ Tuning Kiggly Racing Morrison Fabrications OHM Racing Raven Fabrication RixRacing RockAuto RTM Racing SouthBay Fuel Injectors STM Tuned Track Decals Track Sculptures VR Speed Factory