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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 Announcements

      Special sales, group buys, and product announcements from our supporting vendors. We encourage you to support vendors who support the DSM community.
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      298
      Discussions
      3,426
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      Latest: New Product Testing: DSM Stock Replacement MorrisonFab, Dec 14, 2019 at 3:21 PM
    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
    2. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
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      3,546
      1,661
      Discussions
      3,546
      Posts
    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.
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      325
      135
      Discussions
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      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:
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      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.
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      26,957
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      335,691
      26,957
      Discussions
      335,691
      Posts
      Latest: Bosch 2200 injectors tk106, Dec 14, 2019 at 10:18 AM
    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
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      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
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      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.
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      233
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      233
      Discussions
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      Posts
      Latest: 420 to 4g63 Thomas Mason, Dec 15, 2019 at 8:03 AM
    7. Cylinder Head & Short Block

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

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
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      26,979
      1,083
      Discussions
      26,979
      Posts
    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
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      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
    11. Electrical Tech

      Wiring, turbo timers, electronic boost controllers, gauges, fuses, wiring harnesses, wire tucks, car audio, and all other electrical component discussions.
      Discussions:
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      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.
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      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.
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      1,675,313
      170,355
      Discussions
      1,675,313
      Posts
      Latest: Any takers ? Thomas Mason, Dec 13, 2019 at 7:55 PM
    1. DSM 420A Frequently Answered Questions

      All the common and repetitive 420A DSM questions asked with links to the answers. Read-only.
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      7
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      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.
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      9,082
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      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.
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      2,071
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      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.
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      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
    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
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      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.
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      21,371
      1,036
      Discussions
      21,371
      Posts
    3. Dyno Talk

      For all the DSM dyno queens. Discuss dyno results here. For tuning discussions, use the Tuning Forum.
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      308
      Discussions
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      Latest: 400whpstock 4g63 in Mercedes Smart pimpy rider, Dec 14, 2019 at 11:04 AM
    1. Welcome Forum/Member Intro's

      Stop in and introduce yourself
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      4,368
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      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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      3,071
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      Latest: Phishing members rabenne, Dec 10, 2019 at 8:05 PM
    3. Site News

      News and updates about our site.
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      92
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      Latest: Buy a DSM Shootout Calendar Audiyo, Nov 5, 2019
    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!
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      37,589
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      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.
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      20,912
      Discussions
      220,964
      Posts
      Latest: WTB manual seat belts and trim a91eagletalon, Dec 13, 2019 at 9:51 PM
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