| Acronym/Phrase |
Meaning/Description |
| Numbers |
Return To The Top |
| 22B |
Not an acronym, but a special limited edition Impreza released in Japan and England |
| 4EAT |
Four Speed Electronic Automatic Transmission |
| 555 |
A tabacco company that used to be a sponsor of Subaru World Rally Team |
| 5MT |
Five speed manual transmission |
| 6MT |
Six speed manual transmission |
| A |
Return To The Top |
| ABS |
Antilock Braking System |
| AFAIK |
As Far As I Know |
| AKI |
Anti-Knock Index (the US Octane Rating) |
| ALK |
Anti-Lift Kit |
| ALS |
Anti Lag System- keeps a turbo spooled off throttle by adding fuel into the exhaust... it makes a distinctive "bang" as the fuel ignites |
| AMHIK |
Ask Me How I Know |
| Amp |
Amplifier (or, unit of electrical current) |
| AT |
Automatic transmission |
| ATF |
Automatic Transmission Fluid |
| ATM |
Atmosphere- a measure of air pressure 1 atm = 14.7psi = 1 Bar |
| Autox |
Autocross |
| Auto-x |
Autocross |
| AWD |
All Wheel Drive |
| AYBABTU |
"All Your Base Are Belong To Us" I'm not explaining this one |
| B |
Return To The Top |
| Backbox |
The Queen's English for "muffler" |
| BAR |
A measure of air pressure 1 Bar= 14.7psi = 1 atm |
| Beeeeotch!!!! |
Term of endearment for Keith or Daniel |
| BFH |
Big Fricken' Hammer |
| Bhp |
Brake horsepower |
| Bling |
The "sound" light makes when reflected off of a shiny surface, like chrome rims |
| Bonnet |
The Queen's English for "hood" |
| Boot |
The Queen's English for "trunk" |
| BOV |
Blow-Off Valve |
| BRP |
Blue Ridge Pearl |
| BTCC |
British Touring Car Championship |
| Bump |
To "bump" a topic back to the top of the forum |
| C |
Return To The Top |
| CAI |
Cold Air Intake |
| CARB |
California Air Resources Board |
| Cat |
Catalytic Convertor |
| Catalunya |
A special limited edition Impreza |
| CB |
Citizens Band (two-way radio) |
| Cd |
Coefficient of drag- lower is better |
| CE |
Check Engine (Light) |
| CEL |
Check Engine Light |
| CF |
Carbon fiber |
| CO2 |
Carbon Dioxide |
| CV |
Constant Velocity (joint) |
| CVT |
Continuously Variable Transmission |
| D |
Return To The Top |
| Diff |
Differential |
| DIN |
Deutsche Industrial Norm. German industrial standard for radio dimensions, approximately 7
inches wide by 2 inches high |
| Dogbox |
A transmission with straight cut gears ("dog" gears) usually with partial or no synchros.
The stock 5MT transmission uses helical cut gears with synchros, for ease of driving and low noise (straight cut gears are noisy) |
| DOHC |
Dual overhead camshaft engine configuration |
| DMS |
Drummond Motor Sport, provider of high-end rally suspension. |
| DSM |
Diamond Star Motors (Mitsubishi Motors) |
| DSPO |
Dip S--t Previous Owner |
| DTC |
Diagnostic Trouble Code |
| Dyno |
A "rolling road" device used to measure vehicle power,etc. |
| E |
Return To The Top |
| EBC |
Electronic Boost Controller |
| ECU |
Engine Control Unit, or Electronic Control Unit (computer) |
| EFI |
Electronic Fuel Injection |
| EGT |
Exhaust Gas Temperature |
| EGR |
Exhaust Gas Recirculation, an emissions lowering technology |
| EJ20 |
Engine code for a 2.0 liter Subaru engine |
| EJ25 |
Engine code for a 2.5 liter Subaru engine |
| EVO |
Mitsubishi Lancer Evolution |
| Estate |
The Queen's English for "wagon" |
| ESP |
A type of speed trap used by law enforcement |
| F |
Return To The Top |
| F1 |
Formula One (racing) |
| FHI |
Fuji Heavy Industries, Subaru's parent company |
| FF |
Front Engined, Front Wheel Drive |
| FMIC |
Front Mounted Intercooler |
| Forgies |
Usually, forged pistons |
| FR |
Front Engined, Rear Wheel Drive |
| FRP |
Fiberglass Reinforced Plastic |
| FRS |
Family Radio Service (two-way radio; aka "TalkAbout") |
| FS |
For Sale |
| FT |
For Trade |
| FWD |
Front Wheel Drive |
| FWIW |
For What It's Worth |
| G |
Return To The Top |
| Ga |
Gauge (lower number = thicker/bigger) |
| GB |
Group Buy |
| GC8 |
Chassis code for Old School Impreza Coupe/Sedan |
| GDA |
Chassis code for New Age WRX Sedan |
| GDB |
Chassis code for New Age STi Sedan |
| GF8 |
Chassis code for Old School Impreza Wagon |
| GGA |
Chassis code for New Age WRX Wagon |
| GGB |
Chassis code for New Age STi Wagon |
| GOMT |
"Grap on my tired" (long story) basically another acronym for "Whiskey Tango Foxtrot" |
| GS |
G-Stock (SCCA autocross class for stock 2.5RS) |
| GT |
A trim level- Usually stands for "Grand Touring" |
| GT2 |
Gran Turismo 2 |
| GT3 |
Gran Turismo 3 |
| H |
Return To The Top |
| H-4 |
Horizontally opposed four cylinder engine |
| HID |
High Intensity Discharge ("arc headlights") |
| HMFIC |
Head Mo Fo In Charge |
| HP |
Abbreviation of horsepower, a measure of power equal to 550 foot pounds per second (SAE). When used outside of North America, HP usually means metric horsepower, which is approximately equal to .98632 horsepower (SAE) |
| HTH |
Hope that helps |
| HP |
Horsepower |
| HUD |
Heads-up display |
| I |
Return To The Top |
| IAC |
Idle Air Control |
| I/C |
Intercooler |
| IBTL |
In Before The Lock |
| IBTIS |
In Before The Imprezidential Smackdown |
| IBTM |
In Before The Move |
| ICE |
In Car Electronics or In Car Entertainment |
| ICQ |
Instant messaging chat www.icq.com |
| ID |
Inside Diameter |
| IIRC |
If I Remember (or Recall) Correctly |
| IMHO |
In My Honest (or Humble) Opinion |
| ITC |
Ignition Timing Controller |
| IWOC |
Impreza Web Owner's Club (UK) www.iwoc.freeserve.co.uk |
| J |
Return To The Top |
| JDM |
Japan Domestic Market. Where all the cool stuff goes. |
| JGTC |
Japan Grand Touring Championship |
| JGTCC |
Japan Grand Touring Car Championship |
| JTCC |
Japanese Touring Car Championship |
| K |
Return To The Top |
| K&N |
Brand of high-flow filter products |
| KB |
Kartboy |
| KPH |
Kilometers Per Hour |
| Kw |
Abbreviation of kilowatt, a measure of power approximately equal to 1.341 SAE horsepower |
| L |
Return To The Top |
| LADAR |
LAser Detection And Ranging |
| LASER |
Light Amplification by Stimulated Emissions of Radiation |
| L33t |
A computer hacker term meaning "elite" and l33tsp34k is a manner of speakikng like c0mpu74r hax0rz |
| LHD |
Left hand drive |
| LIDAR |
LIght Detection And Ranging |
| LINK |
An aftermarket engine management computer. |
| LSD |
Limited Slip Differential |
| LSIR |
Laguna Seca International Raceway |
| M |
Return To The Top |
| MAF |
Mass Air-Flow Sensor |
| MAP |
Manifold Absolute Pressure Sensor |
| MAS |
Mass Airflow Sensor |
| MBC |
Manual Boost Controller |
| MBP |
Midnight Black Pearl |
| McRae |
Another limited edition Impreza not available in the US |
| MIL |
Malfunction Indicator Lamp |
| MON |
Motor Octane Number (see also RON) |
| MPH |
Miles Per Hour |
| MPT |
Multi-Plate Transfer (Clutch Pack) used in automatic transmission AWD Subarus |
| MR |
Mid Engined, Rear Wheel Drive |
| MRT |
Middleton Rally Team (Australia) www.mrtrally.com.au |
| MT |
Manual transmission |
| MY |
Model Year |
| N |
Return To The Top |
| NA |
Normally aspirated (not turbo/supercharged) |
| NASIOC |
North American Subaru Impreza Owner's Club |
| Nm |
Abbreviation of newton-meter, a measure of torque approximately equal to .7376 foot-pounds |
| NOS |
One of the manufacturers of Nitrous Oxide kits |
| NOx |
Nitrogen containing compounds that form photochemical smog |
| NGK |
Manufacturer of spark plugs |
| O |
Return To The Top |
| O2 |
Oxygen (e.g., O2 Sensor) |
| OBD-II |
On Board Diagnostics II (a computerized emission control system) |
| OBS |
Outback Sport (Impreza trim level) |
| OBW |
Outback Wagon |
| OD |
Outside Diameter |
| OEM |
Original Equipment Manufacturer |
| Offset |
The distance between a wheel's mounting surface and its horizontal center |
| OMG |
Oh My God |
| OT |
Off Topic |
| P |
Return To The Top |
| P1 |
A special edition model year 2000 Impreza prepared by Prodrive for the British market |
| PCV |
Positive Crankcase Ventilation (valve) |
| PITA |
Pain in the ass (or a round flatbread with a pocket inside ) |
| PM |
Private Message |
| Post Wh0r3 |
Someone who posts nonsense to increase their post count |
| Pot |
As in, 4-pot brakes- refers to the number of pistons in the caliper |
| PS |
Abbreviation of Pferdestdrke, the German measure for horsepower |
| PSI |
Pounds per square inch (a measure of air pressure) |
| PEBKAC |
Probable Error Between Keyboard and Chair (it's your own fault) |
| Q |
Return To The Top |
| R |
Return To The Top |
| R&D |
Research and Development |
| RADAR |
RAdio Detection And Ranging (or a character from M*A*S*H ) |
| Rallyx |
Rallycross |
| Rally-x |
Rallycross |
| RB5 |
A limited edition British Impreza trim named after WRC driver Richard Burns |
| RBP |
Rally Blue Pearl (paint color) |
| RHD |
Right hand drive |
| Rofl |
Rolling on the floor laughing |
| Roflmao |
Rolling on the floor laughing my ass off |
| RON |
Research Octane Number (see also MON) |
| RPM |
Revolution per minute |
| RRFPR |
Rising rate fuel pressure riser |
| RS |
Impreza trim level. Stands for "Rally Sport" |
| RS-T |
Impreza RS with an aftermarket turbocharger |
| RWD |
Rear Wheel Drive |
| RTFM |
Read The F'in Manual |
| Rwhp |
Rear Wheel Horsepower |
| S |
Return To The Top |
| SAE |
Abbreviation of Society of Automotive Engineers, the US motor vehicle engineering standards promulgator and US counterpart to the German DIN |
| S-AFC |
Super Air Flow Converter |
| S/AFC |
Super Air Flow Converter |
| S/C |
Supercharger |
| Saloon |
The Queen's English for "sedan" |
| SCC |
Sport Compact Car magazine |
| SCCA |
Sports Car Club of America |
| Scoobnuts |
Subaru Doughnuts |
| SEMA |
Specialty Equipment Marketers Association |
| SIDC |
Subaru Impreza Driver's Club (UK) www.sidc.co.uk |
| SIPP |
Subaru Internet Performance Panel |
| Slushbox |
Term of endearment for the Subaru 4EAT transmission |
| SOA |
Subaru of America |
| SOC |
Subaru Of Canada |
| SOJ |
Subaru of Japan |
| SOHC |
Single overhead camshaft engine configuration |
| Solo2 |
SCCA Autocross racing |
| SoNE |
Subaru Of New England |
| SPD |
SPD Tuning Service www.spdusa.com |
| Speedo |
Speedometer |
| SRP |
Sedona Red Pearl |
| SS |
Showroom Stock (SCCA road racing class) |
| STi |
Subaru Technica International |
| STM |
SilverThorn Metallic |
| STS |
Street Touring - Street Tire (SCCA autocross class) |
| SVX |
A high-end Subaru coupe, produced 1992-1997 |
| T |
Return To The Top |
| Tach |
Tachometer |
| TB |
Throttle Body |
| T/C |
Turbocharger |
| TC |
Trouble Code |
| TC |
Torque Converter |
| TCM |
Torque Control Module |
| TCU |
Transmission Control Unit |
| TDC |
Top Dead Center (engine phase) |
| TEC-II |
An engine management system manufactured by Electromotive, Inc. |
| TMIC |
Top Mount Intercooler |
| TPS |
Throttle Position Sensor |
| Trap |
The terminal speed at the end of a 1/4 mile run at the drag strip |
| Trunkmonkey |
See www.trunkmonkey.com |
| TSB |
Technical service bulletin |
| TSD |
Time-Speed-Distance (a type of rallying) |
| TT |
Turbo Timer |
| TT |
Twin-turbo |
| TTT |
To The Top (see also, "bump") |
| U |
Return To The Top |
| UK300 |
Special Limited Edition Prodrive Impreza WRX available only in England |
| UOR |
Unorthodox Racing- A tuning company |
| UORUD |
Unorthodox Racing Underdrive Pulley |
| UPRD |
Under Pressure Reasearch and Development- A Tuning company in Southern California |
| USDM |
US domestic market |
| UTFSF |
Use the F'in Search Function |
| V |
Return To The Top |
| V1 |
Valentine One, a high-end radar detector |
| VASCAR |
Vehical Average Speed Computer and Recorder |
| VC |
Viscous Coupling (differential) |
| VDC |
Vehicle Dynamics Control, Subaru's brand of traction (yaw) control |
| VIN |
Vehicle Identification Number |
| VIR |
Virginia International Raceway |
| VON |
Vehicle Order Number (the number assigned to your car before it is asssembled, and before it is given a VIN) |
| VSS |
Vehicle Speed Sensor |
| VTD |
Variable Torque Distribution 4WD |
| W |
Return To The Top |
| WOT |
Wide open throttle |
| WRB |
World Rally Blue (often called "real blue" ) |
| WRC |
World Rally Car, or World Rally Championship |
| WRX |
World Rally Experimental |
| WTB |
Want To Buy |
| WTF |
Whiskey Tango Foxtrot (What The F---) |
| WTT |
Want To Trade |
| X |
Return To The Top |
| Y |
Return To The Top |
| YMMV |
Your Mileage May Vary (you may have a slightly different experience) |
| Z |
Return To The Top |
| Zeroyon |
Japanese reference to the 0-400m (or quartermile racing) |
