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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 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:
      301
      Posts:
      3,513
      301
      Discussions
      3,513
      Posts
      Latest: GB 2G Compworks Fender Braces (NOW CLOSED) miguelmcv, Jan 22, 2020 at 7:45 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:
      4,324
      Posts:
      59,204
      4,324
      Discussions
      59,204
      Posts
      Latest: 1998 Gs DD project 609DSM, Jan 23, 2020 at 12:45 PM

      1. Non-DSM Build Journals

    2. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
      Discussions:
      1,668
      Posts:
      3,556
      1,668
      Discussions
      3,556
      Posts
      Latest: Custom intake manifold Taylor4ghindman, Jan 22, 2020 at 11:35 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:
      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:
      12,043
      Posts:
      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.
      Discussions:
      26,968
      Posts:
      335,844
      26,968
      Discussions
      335,844
      Posts
      Latest: 91-94 TB Vacuum Ports Blockoff 99OZDSM, Jan 22, 2020 at 9:49 AM

      1. Nitrous/Alcohol/Water Injection

      2. 1G N/T Tech

    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
      7,039
      Posts:
      116,503
      7,039
      Discussions
      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.
      Discussions:
      13,690
      Posts:
      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.
      Discussions:
      239
      Posts:
      2,804
      239
      Discussions
      2,804
      Posts
      Latest: What intake Manifold GST with PSI, Jan 8, 2020

      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:
      7,045
      Posts:
      82,914
      7,045
      Discussions
      82,914
      Posts
      Latest: FP4R2 Cams? MichaelSuch, Jan 23, 2020 at 7:49 AM

      1. Stroker Tech

    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
      Discussions:
      1,088
      Posts:
      27,024
      1,088
      Discussions
      27,024
      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:
      8,183
      Posts:
      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:
      12,300
      Posts:
      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

      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:
      2,221
      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.
      Discussions:
      20,304
      Posts:
      300,440
      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.
      Discussions:
      170,355
      Posts:
      1,675,364
      170,355
      Discussions
      1,675,364
      Posts
      Latest: Building a dream motomattx, Jan 21, 2020 at 11:13 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:
      9,090
      Posts:
      106,140
      9,090
      Discussions
      106,140
      Posts
      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.
      Discussions:
      2,073
      Posts:
      25,138
      2,073
      Discussions
      25,138
      Posts
      Latest: Guess the HP. Give me an estimate. silvreclips, Jan 16, 2020

    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
      Discussions:
      328
      Posts:
      3,234
      328
      Discussions
      3,234
      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

  5. Racing & Motorsports

    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
      Discussions:
      3,058
      Posts:
      64,180
      3,058
      Discussions
      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.
      Discussions:
      1,039
      Posts:
      21,414
      1,039
      Discussions
      21,414
      Posts
      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.
      Discussions:
      308
      Posts:
      9,044
      308
      Discussions
      9,044
      Posts
      Latest: 400whpstock 4g63 in Mercedes Smart pimpy rider, Dec 14, 2019

  6. General

    1. Welcome Forum/Member Intro's

      Stop in and introduce yourself
      Discussions:
      4,400
      Posts:
      23,173
      4,400
      Discussions
      23,173
      Posts
      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.
      Discussions:
      3,071
      Posts:
      29,980
      3,071
      Discussions
      29,980
      Posts
      Latest: Request your Build Profile/Build Thread be Connected here Ludachris, Jan 22, 2020 at 11:34 AM

      1. Polls and Surveys

    3. Site News

      News and updates about our site.
      Discussions:
      92
      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:
      37,618
      Posts:
      859,123
      37,618
      Discussions
      859,123
      Posts
      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.
      Discussions:
      20,921
      Posts:
      221,033
      20,921
      Discussions
      221,033
      Posts
      Latest: Help ,tuners in colorado ? bubba4g63t, Jan 22, 2020 at 11:37 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