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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.
      Discussions:
      350
      Posts:
      4,062
      350
      Discussions
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    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:
      5,059
      Posts:
      65,935
      5,059
      Discussions
      65,935
      Posts
      Latest: Why am I doing this? Dreams Realized, Jan 27, 2021 at 8:45 PM
    2. Tech Article Archives

      DIY Tutorials, VFAQ's and Parts Reviews posted by our members.
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      Posts:
      3,707
      1,696
      Discussions
      3,707
      Posts
      Latest: Terhune Raceworks fully built trans motomattx, Jan 26, 2021 at 9:27 PM
    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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      321
      134
      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:
      12,631
      Posts:
      142,395
      12,631
      Discussions
      142,395
      Posts
      Latest: Coolant or oil? Myk984g63, Jan 27, 2021 at 10:27 PM
    3. Bolt-on Tech

      4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
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      27,115
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      337,717
      27,115
      Discussions
      337,717
      Posts
      Latest: AER Valve Covers mikejsmith1985, Jan 27, 2021 at 6:37 AM
    4. Turbo System Tech

      4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
      Discussions:
      7,144
      Posts:
      117,722
      7,144
      Discussions
      117,722
      Posts
      Latest: PLM Backdoor FMIC craracer05, Jan 27, 2021 at 6:06 PM
    5. Tuning & Engine Management

      4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
      Discussions:
      13,870
      Posts:
      128,742
      13,870
      Discussions
      128,742
      Posts
      Latest: Weird Idle and Cruise AFR odion1776, Jan 26, 2021 at 1:03 AM
    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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      280
      Posts:
      3,255
      280
      Discussions
      3,255
      Posts
      Latest: Picked up a mid-swap project Larry33, Jan 23, 2021 at 8:29 AM
    7. Cylinder Head & Short Block

      4G63 cams, valvetrain, pistons, rods, stroker kits, 6-bolt swaps, hybrids, etc. Read this Forum's Strict Guidelines.
      Discussions:
      7,207
      Posts:
      84,652
      7,207
      Discussions
      84,652
      Posts
      Latest: OFH? DSMPT, Jan 27, 2021 at 5:25 PM
    8. Custom Fabrication

      TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
      Discussions:
      1,131
      Posts:
      27,619
      1,131
      Discussions
      27,619
      Posts
      Latest: 7 bolt baffled oil pan need troppo loungo, Jan 25, 2021 at 6:23 PM
    9. Handling Tech

      4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
      Discussions:
      8,248
      Posts:
      73,590
      8,248
      Discussions
      73,590
      Posts
    10. Drivetrain Tech

      4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
      Discussions:
      12,488
      Posts:
      99,908
      12,488
      Discussions
      99,908
      Posts
      Latest: Aftermarket clutch and flywheel pauleyman, Jan 28, 2021 at 12:06 AM
    11. Electrical Tech

      Wiring, turbo timers, electronic boost controllers, gauges, fuses, wiring harnesses, wire tucks, car audio, and all other electrical component discussions.
      Discussions:
      2,420
      Posts:
      17,581
      2,420
      Discussions
      17,581
      Posts
    12. Appearance/Interior/Exterior

      All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
      Discussions:
      20,424
      Posts:
      301,876
      20,424
      Discussions
      301,876
      Posts
      Latest: Sunroof delete - Roof swap Justin DuBois, Jan 27, 2021 at 6:18 PM
    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:
      170,437
      Posts:
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      170,437
      Discussions
      1,675,013
      Posts
    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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      Posts:
      106,436
      9,120
      Discussions
      106,436
      Posts
      Latest: Recurring Valve Cover Gasket Leaks motomattx, Jan 27, 2021 at 10:06 PM
    3. 420A Turbo Conversion

      Turbo kits, swaps, etc - specific to 2G N/T DSMs.
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      25,210
      2,081
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      25,210
      Posts
      Latest: Edz Swap NWHTanK, Jan 10, 2021
    4. 420A Engine Management

      EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
      Discussions:
      344
      Posts:
      3,398
      344
      Discussions
      3,398
      Posts
    5. 420A Drivetrain Tech

      Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
      Discussions:
      384
      Posts:
      3,267
      384
      Discussions
      3,267
      Posts
      Latest: HELP! P0731 fault G420a, Jan 5, 2021
    1. Drag Strip

      Preparation, technique, tips, and "kill" stories from the Drag Strip. No street racing discussions.
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      64,472
      3,070
      Discussions
      64,472
      Posts
    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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      Posts:
      21,499
      1,044
      Discussions
      21,499
      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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      Posts:
      9,112
      314
      Discussions
      9,112
      Posts
      Latest: EVO3 16g dyno results 10's or bust, Jan 24, 2021 at 9:53 AM
    1. Welcome Forum/Member Intro's

      Stop in and introduce yourself
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      4,602
      Discussions
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      Posts
    2. Site News

      News and updates from the site administration.
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      94
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      Latest: Discount code for Calendars Ludachris, Nov 28, 2020
    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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      37,798
      Discussions
      860,974
      Posts
      Latest: Shootout dyno day 1990TSIAWDTALON, Jan 27, 2021 at 1:08 PM
    2. Regional Discussions

      Connect with other local DSMers and organize DSM meets and track days.
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      Posts:
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      20,978
      Discussions
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      Posts
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