The Central Hub for DSM Community and Information
For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.
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DSM Tech Q&A
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.
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- 16K
Bolt-on Tech
4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.
- Threads
- 28K
Nitrous/Alcohol/Water Injection
Nitrous, alcohol, and water injection tech discussions.
- Threads
- 977
1G N/T Tech
For all 1G Non-Turbo 1.8L and 2.0L performance discussions.
- Threads
- 516
Turbo System Tech
4G63 turbos, Intercooling, Boost Control, Wastegates, etc.
- Threads
- 7K
Tuning & Engine Management
4G63 EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc.
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- 14K
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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- 500
3000GT/Stealth 4G63 Swaps
For the 3/S owners who swap in 4G63 engines.
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- 5
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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- 8K
Stroker Tech
4G63 stroker discussions - 2.1L, 2.2L, 2.3L, 2.4L, etc.
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- 293
Custom Fabrication
TIG/MIG welding, jig-building, metal working, fiberglass, carbon fiber, and other custom fabrication projects.
- Threads
- 1K
Handling Tech
4G63 suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
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- 8K
Drivetrain Tech
4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
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- 13K
Automatic Tranny
4G63 automatic tranny discussions. Sponsored by Import Performance Transmissions
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- 2K
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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- 3K
Appearance/Interior/Exterior
All interior and exterior tech discussions; body and paint, conversions, lighting, washing, waxing, etc.
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- 21K
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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- 165K
420A DSM Tech
420A Bolt-on Tech
Intake, exhaust, ignition, fuel system, cooling, etc - specific to 2G N/T DSMs.
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- 9K
420A Turbo Conversion
Turbo kits, swaps, etc - specific to 2G N/T DSMs.
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- 2K
420A Engine Management
EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs.
- Threads
- 375
420A Drivetrain Tech
Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.
- Threads
- 584
Racing & Motorsports
Drag Strip
Preparation, technique, tips, and shared stories from the Drag Strip. No street racing discussions.
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- 3K
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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- 1K
Dyno Talk
For all the DSM dyno queens. Discuss dyno results here. For tuning discussions, use the Tuning Forum.
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- 327
Articles & Journals
DSM Tech Articles
DIY Tutorials, Guides, VFAQ's and Parts Reviews posted by our members.
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- 2K
Articles: Manuals & Documents
Manuals and literature from Mitsubishi/Diamond Star Motors.
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- 50
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- 95
Articles: Turbo System & Intercooler
Member-submitted articles related to DSM turbo system and intercooling systems.
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- 114
Articles: Engine & Fuel
Member-submitted articles related to DSM engine and fuel systems.
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- 206
Articles: Drivetrain
Member-submitted articles related to DSM drivetrain systems - clutch, flywheel, axles, driveshafts, shifter, etc.
- Threads
- 120
Articles: Suspension & Brakes
Member-submitted articles related to DSM suspension and braking systems.
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- 140
Articles: Electrical & Wiring
Member-submitted articles related to DSM electrical and wiring.
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- 189
Articles: Tuning & ECU
Member-submitted articles related to DSM tuning and ECU.
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- 72
Articles: Exterior/Interior
Member-submitted articles related to DSM interior and exterior.
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- 223
Articles: 420A-specific
Member-submitted articles related to 420A-specific DSM topics.
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- 37
Articles: Spyder-Specific
Member-submitted articles related specifically to the 1997-1999 Mitsubishi Eclipse Spyder (convertible).
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- 16
Articles: Galant VR4-specific
Member-submitted articles related specifically to the Mitsubishi Galant VR-4 chassis.
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- 1
Articles: Parts Fabrication
Member-submitted articles related to fabrication and custom parts or solutions for the DSM.
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- 54
Articles: 3D Parts Printing
Member-submitted articles related to 3D printing plans and designs for the DSM platform.
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- 2
Articles: Miscellaneous
Member-submitted articles related to DSM platform that don't fit well in one of the other article categories.
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- 139
Articles: Parts Feedback & Reviews
Member-submitted reviews and feedback for DSM parts and products (not to be used for vendors or classifieds transactions). Describe fitment, finish, durability, and results if applicable.
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- 385
General
Welcome Forum/Member Intro's
If you're new to the site, post a thread and tell us about yourself and your connection to the DSM world.
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- 5K
Community
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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- 38K
Members Only Hangout
Only logged-in members can view threads in this forum. Post topics in here you only want to share with members, not the rest of the world.
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- 0
Regional Discussions
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- N/A
Pacific Northwest Region DSM
Washington, Oregon, Idaho, Alaska
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- 2K
Seattle Area DSM Forum
Seattle metro and surrounding areas
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- 703
Portland Area DSM Forum
Portland metro and surrounding areas
- Threads
- 481
Boise Area DSM Forum
Boise metro and surrounding areas
- Threads
- 32
Anchorage Area DSM Forum
Anchorage metro and surrounding areas
- Threads
- 139
NorCal Region DSM
Northern California and coastal area DSM meets and discussion. For more upcoming NorCal Car events visit CarShowsNear.me and find upcoming events in your area.
- Threads
- 3K
San Francisco Bay Area DSM Forum
San Francisco bay area - North Bay, East Bay, South Bay, Peninsula, and surrounding area DSM meets and discussions. For even more upcoming NorCal Car events visit CarShowsNear.me and find upcoming Bay Area car shows near you.
- Threads
- 284
Sacramento Area DSM Forum
Sacramento metro and surrounding area DSM meets and discussions. For more upcoming NorCal Car events, visit CarShowsNear.me and find upcoming Sacramento car shows in your area.
- Threads
- 185
Fresno Area DSM Forum
Fresno, Bakersfield, and surrounding area DSM meets and discussions. For more upcoming NorCal Car events visit CarShowsNear.me and find upcoming Central Valley car shows in your area.
- Threads
- 100
SoCal Region DSM
Southern California and coastal area DSM meets and discussions. For more upcoming SoCal Car events visit CarShowsNear.me and find upcoming car shows in your area.
- Threads
- 2K
San Diego Area DSM Forum
San Diego metro and surrounding area DSM meets and discussions. For more upcoming SoCal Car events visit CarShowsNear.me and find upcoming San Diego car shows in your area.
- Threads
- 487
Los Angeles & Inland Empire DSM Forum
L.A. and Inland Empire area DSM meets and discussions. For more upcoming SoCal Car events visit CarShowsNear.me and find upcoming Los Angeles car shows in your area.
- Threads
- 498
Southwest Region DSM
Arizona, New Mexico, Las Vegas, Hawaii Islands
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- 1K
Las Vegas DSM Forum
Las Vegas metro and surrounding areas
- Threads
- 121
Phoenix Area DSM Forum
Phoenix metro and surrounding areas
- Threads
- 762
Tucson Area DSM Forum
Tucson metro and surrounding areas
- Threads
- 45
Albuquerque Area DSM Forum
Albuquerque metro and surrounding areas
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- 23
Rocky Mountain Region DSM
Colorado, Utah, Wyoming, Montana
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- 1K
Denver Area DSM Forum
Denver, Fort Collins, Colorado Springs, and surrounding front range area.
- Threads
- 569
Salt Lake City Area DSM Forum
Salt Lake City metro, and surrounding areas.
- Threads
- 64
Cheyenne Area DSM Forum
Cheyenne and Laramie metro and surrounding areas
- Threads
- 13
Billings Area DSM Forum
Billings MT metro and surrounding areas
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- 21
Gulf Coast Region DSM
Texas, Louisiana, Mississippi, Alabama
- Threads
- 909
Dallas Area DSM Forum
Dallas and Forth Worth metro and surrounding areas
- Threads
- 78
Austin Area DSM Forum
Austin metro and surrounding areas
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- 44
Houston Area DSM Forum
Houston metro and surrounding areas
- Threads
- 115
El Paso Area DSM Forum
El Paso metro and surrounding areas
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- 150
San Antonio DSM Forum
San Antonio metro and surrounding areas
- Threads
- 94
New Orleans Area DSM Forum
New Orleans metro and surrounding areas
- Threads
- 29
Jackson Area DSM Forum
Jackson metro and surrounding areas
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- 5
Birmingham Area DSM Forum
Birmingham metro and surrounding areas
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- 21
Midwest Region DSM
North Dakota, South Dakota, Nebraska, Iowa, Kansas, Oklahoma, Missouri, Arkansas, Kentucky, Tennessee
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- 2K
Fargo Area DSM Forum
Fargo ND metro and surrounding areas
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- 13
Bismarck Area DSM Forum
Bismarck ND metro and surround areas
- Threads
- 6
Rapid City Area DSM Forum
Rapid City SD metro and surrounding areas
- Threads
- 11
Sioux Falls Area DSM Forum
Sioux Falls SD metro and surrounding areas
- Threads
- 11
Omaha Area DSM Forum
Omaha and Lincoln metro and surrounding areas
- Threads
- 138
Des Moines Area DSM Forum
Des Moines metro and surrounding areas
- Threads
- 121
Kansas City Area DSM Forum
Kansas City metro and surrounding areas
- Threads
- 137
- Threads
- 88
Memphis Area DSM Forum
Memphis metro and surrounding areas
- Threads
- 15
Nashville Area DSM Forum
Nashville metro and surrounding areas
- Threads
- 159
Little Rock Area DSM Forum
Little Rock metro and surrounding areas
- Threads
- 26
Lexington Area DSM Forum
Lexington-Fayette metro and surrounding areas
- Threads
- 40
Knoxville Area DSM Forum
Knoxville metro and surrounding areas
- Threads
- 29
OKC-Tulsa Area DSM Forum
Oklahoma City, Tulsa, and surrounding areas.
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- 31
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- 4
Great Lakes Region DSM
Minnesota, Wisconsin, Illinois, Indiana, Michigan, Ohio.
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- 2K
Minneapolis Area DSM Forum
Minneapolis metro and surrounding areas
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- 75
Springfield Area DSM Forum
Springfield, IL metro and surrounding areas
- Threads
- 28
Chicago Area DSM Forum
Chicago metro and surrounding areas
- Threads
- 536
Indianapolis Area DSM Forum
Indianapolis metro and surrounding areas
- Threads
- 109
Milwaukee Area DSM Forum
Milwaukee metro and surrounding areas
- Threads
- 110
Detroit Area DSM Forum
Detroit metro and surrounding areas
- Threads
- 185
Columbus Area DSM Forum
Columbus, OH metro and surrounding areas
- Threads
- 66
Cleveland Area DSM Forum
Cleveland and Akron metros, and surrounding areas
- Threads
- 148
Cincinnati Area DSM Forum
Cincinnati metro and surrounding areas
- Threads
- 38
Tri State Region DSM
New Jersey, New York, Pennsylvania
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- 3K
Pittsburgh Area DSM Forum
Pittsburgh metro and surrounding areas
- Threads
- 339
New York Area DSM Forum
New York metro and surrounding areas
- Threads
- 426
Scranton Area DSM Forum
Scranton, Wilkes-Barre metro and surrounding areas
- Threads
- 62
Buffalo Area DSM Forum
Buffalo metro and surrounding areas
- Threads
- 33
Syracuse Area DSM Forum
Syracuse metro and surrounding areas
- Threads
- 40
Albany Area DSM Forum
Albany metro and surrounding areas
- Threads
- 22
Harrisburg Area DSM Forum
Harrisburg PA metro and surrounding areas
- Threads
- 144
Philadelphia Area DSM Forum
Philadelphia metro and surrounding areas
- Threads
- 239
South Jersey Area DSM Forum
South Jersey area
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- 240
Mid Atlantic Region DSM
Delaware, Maryland, Virginia, Washington DC, West Virginia
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- 1K
Virginia Beach Area DSM Forum
Virginia Beach metro and surrounding areas
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- 73
Richmond Area DSM Forum
Richmond metro and surrounding areas
- Threads
- 33
Baltimore Area DSM Forum
Baltimore metro and surrounding areas
- Threads
- 136
D.C. Area DSM Forum
Washington D.C. metro and surrounding areas
- Threads
- 109
New England Region DSM
Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
- Threads
- 774
Hartford Area DSM Forum
Hartford metro and surrounding areas
- Threads
- 69
Bridgeport Area DSM Forum
Bridgeport metro and surrounding areas
- Threads
- 7
Providence Area DSM Forum
Providence RI metro and surrounding areas
- Threads
- 35
Boston Area DSM Forum
Boston metro and surrounding areas
- Threads
- 82
Southeast Region DSM
Florida, Georgia, North Carolina, South Carolina, Puerto Rico
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- 2K
Miami Area DSM Forum
Miami metro and surrounding areas
- Threads
- 441
Tampa Area DSM Forum
Tampa metro and surrounding areas
- Threads
- 139
Jacksonville Area DSM Forum
Jacksonville metro and surrounding areas
- Threads
- 135
Orlando Area DSM Forum
Orlando metro and surrounding areas
- Threads
- 107
Tallahassee Area DSM Forum
Tallahassee metro and surrounding areas
- Threads
- 16
Atlanta Area DSM Forum
Atlanta metro and surrounding areas
- Threads
- 89
Savannah Area DSM Forum
Savannah metro and surrounding areas
- Threads
- 37
Charleston Area DSM Forum
Charleston SC metro and surrounding areas
- Threads
- 26
Charlotte Area DSM Forum
Charlotte metro and surrounding areas
- Threads
- 45
Raleigh Area DSM Forum
Raleigh metro and surrounding areas
- Threads
- 52
Greensboro Area DSM Forum
Greensboro metro and surrounding areas
- Threads
- 33
Canada DSM Forum
Yukon, NW, BC, Alberta, Saskatchewan, Manitoba, Toronto, Montreal
- Threads
- 417
All Other Areas
Outside the US
- Threads
- 63
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