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Please Support ExtremePSI
  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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      301
      Discussions
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      Latest: GB 2G Compworks Fender Braces (NOW CLOSED) miguelmcv, Jan 22, 2020 at 7:45 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:
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      Posts:
      59,204
      4,324
      Discussions
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      Posts
      Latest: 1998 Gs DD project 609DSM, Jan 23, 2020 at 12:45 PM
    2. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
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      3,556
      1,668
      Discussions
      3,556
      Posts
      Latest: Custom intake manifold Taylor4ghindman, Jan 22, 2020 at 11:35 AM
    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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      136
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      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:
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      134,306
      12,043
      Discussions
      134,306
      Posts
      Latest: Smoke after hard pull RWD4G63, Jan 23, 2020 at 12:27 PM
    3. Bolt-on Tech

      4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
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      26,968
      Discussions
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      Posts
      Latest: 91-94 TB Vacuum Ports Blockoff 99OZDSM, Jan 22, 2020 at 9:49 AM
    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
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      116,503
      7,039
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      116,503
      Posts
      Latest: Blown Turbo Rough Idle Oil in Intake galaxycrowd, Jan 22, 2020 at 10:40 PM
    5. Tuning & Engine Management

      4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
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      126,796
      13,690
      Discussions
      126,796
      Posts
      Latest: My Rpm gauge off[RESOLVED] kenuwine4g63, Jan 21, 2020 at 2:00 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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      239
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      Latest: What intake Manifold GST with PSI, Jan 8, 2020
    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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      82,914
      7,045
      Discussions
      82,914
      Posts
      Latest: FP4R2 Cams? MichaelSuch, Jan 23, 2020 at 7:49 AM
    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
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      27,024
      1,088
      Discussions
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      Posts
      Latest: CNC t-stat housing twicks69, Jan 22, 2020 at 11:13 PM
    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
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      72,751
      8,183
      Discussions
      72,751
      Posts
      Latest: Ceramic Wheel Bearing Interest Thread ec17pse, Jan 23, 2020 at 7:40 AM
    10. Drivetrain Tech

      4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
      Discussions:
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      97,583
      12,300
      Discussions
      97,583
      Posts
      Latest: Extend master clutch rod or shim pivot ball ErikTande, Jan 23, 2020 at 1:19 PM
    11. Electrical Tech

      Wiring, turbo timers, electronic boost controllers, gauges, fuses, wiring harnesses, wire tucks, car audio, and all other electrical component discussions.
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      Posts:
      15,813
      2,221
      Discussions
      15,813
      Posts
      Latest: Dashboard fuse box luv2rallye, Jan 23, 2020 at 3:08 AM
    12. Appearance/Interior/Exterior

      All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
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      20,304
      Discussions
      300,440
      Posts
      Latest: 1g Rear License Plate Light Bracket tk106, Jan 18, 2020 at 7:07 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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      170,355
      Discussions
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      Latest: Building a dream motomattx, Jan 21, 2020 at 11:13 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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      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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      9,090
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      Latest: Timing belt and clutch replacement question. Andruxa86, Jan 21, 2020 at 12:32 PM
    3. 420A Turbo Conversion

      Turbo kits, swaps, etc - specific to 2G N/T DSMs.
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      2,073
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      25,138
      Posts
    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
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      328
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      Posts
      Latest: Ticking noise at 2.5k+ rpm BLACK'98DSM, Jan 23, 2020 at 11:45 AM
    5. 420A Drivetrain Tech

      Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
      Discussions:
      369
      Posts:
      3,184
      369
      Discussions
      3,184
      Posts
      Latest: Intermittent loss of 2nd gear 609DSM, Jan 21, 2020 at 10:45 PM
    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
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      64,180
      3,058
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      64,180
      Posts
      Latest: Lexan windows for 2g ec17pse, Jan 21, 2020 at 1:01 PM
    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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      Latest: Rear Diffuser Design Atuca, Jan 20, 2020 at 10:08 PM
    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
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    1. Welcome Forum/Member Intro's

      Stop in and introduce yourself
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      4,400
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      Latest: New to the dsm community Moboosted1, Jan 23, 2020 at 12:00 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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    3. Site News

      News and updates about our site.
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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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      37,618
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      Latest: DSM up to date compilation video OH91awd, Jan 23, 2020 at 1:23 PM
    2. Regional Discussions

      Connect with other local DSMers and organize DSM meets and track days.
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      20,921
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      Latest: Help ,tuners in colorado ? bubba4g63t, Jan 22, 2020 at 11:37 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