Here's a really good info to know.
4WD Four-Wheel Drive
4WDSC Four-Wheel Disc Brakes
4DSC 4 Door Sports Car (Nissan)
4WS 4 Wheel Steering
AAV Anit-Afterburn Valve
ABS Antiblockiersystem (Anti-lock Braking System)
AC Alternating Current
ADC Analog to Digital Conversion
AEM Advanced Engine Management
A/F Air/fuel
AFC Air Fuel Controller
AIR Air Injection Reaction
AIS Air Injection System
Alfa Romeo Anonima Lombarda Fabbrica Automobili Romeo
AM Amplitude Modulation
AMS Automatic Music Search
AT Automatic Transmission
ATDC After Top Dead Center
AUDM Australian Domestic Market
AVCS Active Valve Control System (Subaru)
AWG American Wire Gauge
BBL Barrel
BHP Base Horsepower
BID Breakerless Inductive Discharge (AMC)
BIN 8bit Binary File
BMW Bayerische Motoren Werke
BOV Blow Off Valve
BP backpressure Sensor
BTDC Before Top Dead Center
C3 Computer Command Control System (GM)
C3I computer Controlled Coil Ignition (GM)
C4 Computer Controlled Catalytic Control System (GM)
CAI Cold Air Intake
Cap Capacitor
CAS Clean Air System (Chrysler)
CC Catalytic Converter
CCC Computer Command Control System (GM)
CCP Controlled Canister Purge
CCV Canister Control Valve
CDI Capacitor Discharge Ignition (AMC & Honda Motorcycles)
CEC Crankcase Emission Control System
CEL Check Engine Light
CF Carbon Fiber
COP Coil On Plug Ignition
CR Compression Ratio
CRV Comfortable Runabout Vehicle
CRX Civic Renaissance Experimental
CSSA Cold Start Spark Advance (FOrd)
CSSH Cold Start Spark Hold (Ford)
CTR Civic Type R
CVCC Compound Vortex Controlled Combustion System (Honda)
CVT Continuously Variable Transmission
CVVT Continuous Variable Valve Timing (Hyundai and Kia)
DA Common chassis code for the G2 Integra (86-93)
DAC Digital to Analog Conversion
dB decibels
DB Common chassis code for the G3 Integra (94-01) sedan
DC Direct Current
DC Common chassis code for the G3 Integra (94-01) hatch/"coupe" (sometimes includes all bodies)
DC5 chassis code for the G4 Integra/1G RSX (02-06)
DCVCP Double Continuous Variable Cam Phasing (GM)
DIS Direct Ignition System (GM)
DIS Distributorless Ignition System (Ford)
DIY Do It Yourself
Dizzy Distibutor
DOHC Dual Overhead Cams
DPFE Differintial Pressure Feedback EGR
DPFI Dual Point Fuel Injection
DPST Double Poll Single Throw
DSM Diamond Star Motors (Mitsubishi/Chrysler/Eagle/Plymouth)
DX Deluxe (Honda)
ECA Electronic Control Automation
ECCS Electronic Concentrated Control System (Nissan)
ECM Engine Control Module
ECU Engine Control Unit / Electronic Control Unit
ED Common chassis code for the G4 Civic (88-91)
EDIS Electronic Distributorless Ignition System (Ford)
EDM European Domestic Market
EEC Electronic Engine Control (Ford)
EEC-IV Electronic Engine Control ver. 4. ('87-'95 Mustang)
EF Common chassis code for the G4 Civic (87-91) (Actually overseas models)
EFI Electronic Fuel Injection
EG Common chassis code for the G5 Civic (92-95) (Can also include del Sols)
EGR Exhaust Gas Recirculation
EGT Exhaust Gas Temperture
EJ Common chassis code for the G6 Civic
EK Common chassis code for the G6 Civic (Actually overseas models)
ELB Electronic Lean Burn (Chrysler)
EM1 Chassis code for the G6 Civic Si (99-00)
EM2 Common chassis code for the G7 Civic (01-05) coupe
EP3 Common chassis code for the G7 Civic (01-05 hatch
EEPROM Electronically Erasable Programmable Read-Only Memory
EPROM Electriclly Programmable Read-Only Memory
ES Common chassis code for the G7 Civic (01-05) sedan
EQ Equalizer
EVR Electronics Voltage Regulator
EX Executive (Honda)
FA Common chassis code for the G8 Civic (06-?) Sedan
FD Final Drive
FF Flexible Fuel
FG Common chassis code for the G8 Civic (06-?) coupe
FK Chassis code for the G8 (06+) CTR.
F/I Forced Induction (also often "FI")
FL Front-Lower
FM Frequency Modulation
FMIC Front Mount Intercooler
FMU Fuel Management Unit
FPR Fuel Pressure Regulator
FS For Sale
FU Front-Upper
GC Ground Control
GS Grand Series/Grand Sport (Honda)
GSR Grand Series Racing/ Grand Sport Racing (Honda)
GT Grand Touring
HDi High Diesel Injection
HEI High Energy Ignition (GM)
HEX Intel Hexidecimal
HU Head Unit
Hz Hertz
IAB Intake Air Bypass
IAC Intake Air Control
IACV Idle Air Control Valve
IAT Intake Air Temperature
IC Ignition Control Circuit
i-DSI Intellegent Dual Sequential Ignition
I/H/E Intake, Header, Exhaust
IM Intake Manifold
ISB Input Shaft Bearing
ITB Indevidual Throttle Body
ITCS Ignition Timing Control System (Honda)
ITR Integra Type R
IVAC Idle Air Control Valve (Incorrect, but often used)
iVTEC Intelligent Variable Valve Timing and Lift Electronic Control System
JDM Japanese Domestic Market
JRSC Jackson Racing Supercharger
KS Knock Sensor
LBS Linked Braking System
LCA Lower Control Arm
Longblock Head & block, but not necessarily complete. May not include other vital parts. No ECU, axles. This definition can greatly vary! Contact your seller before the sale to make sure!
LS Luxury Series/Luxury Sport (Honda)
LSD Limited Slip Differential
LX Luxury
MAF Mass Air Flow
Mani Manifold
MAP Manifold Absolute Pressure
MC Master Cylinder
MCU Microprocessor Control Unit (Ford)
MDF Medium Density Fiberboard
MIL Malfunction Indicator Lamp (see CEL)
MISAR Microprocessor Sensing and Automatic Regulation (GM)
MIVEC Mitsubishi Innovative Valve-timing-and-lift Electronic Control (Mitsubishi)
Mouse Motors GM smallblock motors based off the 350.
MPFI Multiport Fuel Injection
MT Manual Transmission
MDX Multi-Dimensional Experimental
MV Metering Valve
N/A Naturally Aspirated (also often "NA")
NASA National Auto Sport Association
NOS Nitrous Oxide Systems
NSX New Sportscar Experimental
NVCS Nissan Valve Timing Control System
N-VCT Nissan Variable Cam Timing (Nissan)
NVSRAM Non-Volatile SRAM
O2 Oxygen
OBD On Board Diagnostics
OEM Original Equipment Manufacturer/Manufacturing
PA Pressure Air
PCM Powertrain Control Module
PCV Positive Crankcase Ventilation
PDL Power Door Locks
PGM-FI Programmed Multi-Port Fuel Injection (Honda)
PIP Personal Injury Protection
P/L Power Locks
PPV Proportioning Valve
P/S Power Steering
PVC Poly Vinyl Chloride
P/W Power Windows
RADAR Radio Detection and Ranging
RL Rear-Lower
RMS Root Mean Square
RPM Revolutions Per Minute
RSB rear strut bar
ROM Read-only Memory
RS Regular Series/Road Sailing (Honda)
RS Rally Sport (Chevrolet)
RU Rear-Upper
RX Rotory Experiment (Mazda)
RX-2 Mazda Capella, RX Version 2 ('70-'78)
RX-3 Mazda (Savanna), RX Version 3 ('71-'78)
RX-4 Mazda (Luce Rotary), RX Version 4 (US - '74-'78)
RX-5 Mazda (Cosmo), RX Version 5 ('75-'80)
RX-7 Mazda (Savanna/Efini), RX Version 7 ('78-'02)
RX-8 Mazda, RX Version 8 ('03-'06)
SAFC Super Air Fuel Controller
SC Supercharger
SCC Spark Control Computer (Chrysler)
SCCA Sports Car Club of America
SDI Saab Direct Ignition
SE Special Edition (Honda)
SH Super Handling (Honda)
SH-AWD Super Handling All Wheel Drive (Honda)
Shortblock Block aka bottom end only. This definition can greatly vary! Contact your seller before the sale to make sure!
Si Sports Injected/Sequentially Injected (Honda)
SiR Sports Injected Racing (Honda)
SMIC Side Mount Intercooler
SOHC Single Overhead Cam
SPDT Single Poll Double Throw
SPST Single Pole Single Throw
SRI Short Ram Intake
SRT Street and Racing Technology (Dodge)
SS Stainless Steel
SS Super Sport (Chevy)
SSI Solid State Ignition (Ford)
S-VT Sequential Valve Timing (Mazda)
TB Throttle Body
TBI Throttle Body Injection
TCCS Toyota Computer Controlled System
TDCi Turbodiesel Common Rail Injection (Volkswagen)
TDI Turbo Direct Injection (NOT Turbo Diesel Injection) (Volkswagen)
THD Total Harmonic Distortion
TMIC Top Mount Intercooler
TPS Throttle Position Sensor
Turn-key Complete motor. Includes intake mani, tb, header, alternator. This definition can greatly vary! Contact your seller before the sale to make sure!
TypeR Type Racing (Honda)
USDM United States Domestic Market
VAFC VTEC Air Fuel Controller
VAMP Valey Automotive Machine Performance
VANOS Variable Nockenwellen Steuerung (BMW - Variable Valve Timing)
VCM Vehicle Control Module
VP Value Package
VTC Variable Timing Control (Ford and generic name)
VTEC Variable Valve Timing and Lift Electronic Control
VTEC-E Variable Valve Timing and Electronic Lift Control Economy
VTi Variable Time Injection
VVC Variable Valve Control (Rover)
VVL Variable Valve Lift and Timing System (Nissan - Ecology Oriented)
VVT Variable Valve Timing
VVT-i Variable Valve Timing with Intellegence (Toyota)
VVTL-i Variable Valve Timing and Lift with Intelligence (Toyota)
WHP Wheel Horsepower
WOT Wide Open Throttle
WTB Want To Buy
x-over CrossoverThanks to Eran for the help
haha
