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Here is the alphabetical listing of all commonly used acronyms you will find on our site. If you see any that are missing, please post here and I will consider adding them.
! - using this before an acronym means removal of that item from the vehicle (example: !EGR)
1/4 - Quarter Mile (drag racing)
2WD - Two Wheel Drive
4WD - Four Wheel Drive
A3 - 3-speed automatic transmission
A4 - 4-speed automatic transmission
A/F - Air Fuel Ratio
AFAIK - As Far as I Know
AKA - Also Known As
AOD- Automatic W/Overdrive
ASAP - As Soon as Possible
ATF - Automatic Transmission Fluid
ATM - At The Moment
AWD - All Wheel Drive
B4 - Before
B/C - Because
BBC - Big Block Chevy engine
BHP - Brake Horsepower
BOV - Blow Off Valve (turbo related)
B/O - Bolt-On Modifications
BTW - By The Way
CATS - Catalytic Converters (emissions/exhaust system)
CAI - Cold Air Induction
CI - Cubic Inches (engine displacement)
CMIIW - Correct me if I'm wrong
CONV - Convertible
CR - Compression Ratio
DEG - Degrees (timing or temperature)
DIAF - Die in a fire
DIY - Do it yourself
DR's - Drag Radial Tires
DSL - Driveshaft Safety Loop
DTC - Diagnostic Trouble Code
ECL - Exhaust Lobe Center Line (camshaft)
EGR - Exhaust Gas Recirculation (emissions system)
EGT - Exhaust Gas Temperature
E/T - Elapsed Time (drag racing time measurement)
F2F - Face to Face
FI - Forced Induction (turbos, superchargers)
FMIC - Front Mounted Intercooler (turbo)
FWD - Front Wheel Drive
FWIW - For What Its Worth
FTL - For The Lose
FTW - For The Win
FYI - For Your Information
GJ - Good Job
GTFO - Get The F-ck Out
HP - Horsepower
IAT - Intake Air Temperature (sensor)
IIRC - If I Remember Correctly
IMHO - In My Humble Opinion
IRS - Independent Rear Suspension
K&N - Brand name of air filter
LCA - Lower Control Arm (suspension)
LMAO - Laughing My Ass Off
LOL - Laughing Out Loud
M6 - 6-speed transmission
MAF - Mass Air Flow sensor (measures amount of air entering intake)
MAP - Manifold Absolute Pressure (sensor)
N/A - Naturally Aspirated (all-motor)
N20 - Nitrous Oxide
NM - Never Mind
NP - No Problem
NOS - Nitrous Oxide Systems (brand name)
NWS - Not Work Safe (do not click link if you are at work, unsuitable material inside)
O2 - Oxygen Sensor
OMG - Oh my gosh
ORY - Off Road Y-pipe
ORP - Off Road Pipe
PIIHB - Put it in her butt
PITA - Pain In The Ass
POS - Piece Of Shit
ROFL - Rolling On Floor Laughing
RPM - Revolutions Per Minute (engine speed)
RWD - Rear Wheel Drive
RWHP - Rear Wheel Horsepower
RWTQ - Rear Wheel Torque
SAE - Society of Automotive Engineers
SBC - Small Block Chevy engine
SC - Super Charger
SES - Service Engine Soon lamp (on dash)
SOTP - Seat Of The Pants
STFU - Shut the f-ck up!
TBODY - Throttle Body
TBRAKE - Transmission Brake
TC - Torque Converter
TCS - Traction Control System
THX - Thanks
TH350 - Turbo Hydromatic 3-speed automatic transmission
TH400 - Heavy Duty Turbo Hydromatic 3-speed automatic transmission
TQ - Torque
TT - Twin Turbo
TTT - "To The Top"
UCA - Upper Control Arm (front suspension)
VERT - Convertible
WB O2 - Wide Band Oxygen Sensor
WOT - Wide Open Throttle
WTB - Want To Buy
WTF - What The F-ck?
WTG - Way to Go
WTT - Want To Trade
! - using this before an acronym means removal of that item from the vehicle (example: !EGR)
1/4 - Quarter Mile (drag racing)
2WD - Two Wheel Drive
4WD - Four Wheel Drive
A3 - 3-speed automatic transmission
A4 - 4-speed automatic transmission
A/F - Air Fuel Ratio
AFAIK - As Far as I Know
AKA - Also Known As
AOD- Automatic W/Overdrive
ASAP - As Soon as Possible
ATF - Automatic Transmission Fluid
ATM - At The Moment
AWD - All Wheel Drive
B4 - Before
B/C - Because
BBC - Big Block Chevy engine
BHP - Brake Horsepower
BOV - Blow Off Valve (turbo related)
B/O - Bolt-On Modifications
BTW - By The Way
CATS - Catalytic Converters (emissions/exhaust system)
CAI - Cold Air Induction
CI - Cubic Inches (engine displacement)
CMIIW - Correct me if I'm wrong
CONV - Convertible
CR - Compression Ratio
DEG - Degrees (timing or temperature)
DIAF - Die in a fire
DIY - Do it yourself
DR's - Drag Radial Tires
DSL - Driveshaft Safety Loop
DTC - Diagnostic Trouble Code
ECL - Exhaust Lobe Center Line (camshaft)
EGR - Exhaust Gas Recirculation (emissions system)
EGT - Exhaust Gas Temperature
E/T - Elapsed Time (drag racing time measurement)
F2F - Face to Face
FI - Forced Induction (turbos, superchargers)
FMIC - Front Mounted Intercooler (turbo)
FWD - Front Wheel Drive
FWIW - For What Its Worth
FTL - For The Lose
FTW - For The Win
FYI - For Your Information
GJ - Good Job
GTFO - Get The F-ck Out
HP - Horsepower
IAT - Intake Air Temperature (sensor)
IIRC - If I Remember Correctly
IMHO - In My Humble Opinion
IRS - Independent Rear Suspension
K&N - Brand name of air filter
LCA - Lower Control Arm (suspension)
LMAO - Laughing My Ass Off
LOL - Laughing Out Loud
M6 - 6-speed transmission
MAF - Mass Air Flow sensor (measures amount of air entering intake)
MAP - Manifold Absolute Pressure (sensor)
N/A - Naturally Aspirated (all-motor)
N20 - Nitrous Oxide
NM - Never Mind
NP - No Problem
NOS - Nitrous Oxide Systems (brand name)
NWS - Not Work Safe (do not click link if you are at work, unsuitable material inside)
O2 - Oxygen Sensor
OMG - Oh my gosh
ORY - Off Road Y-pipe
ORP - Off Road Pipe
PIIHB - Put it in her butt
PITA - Pain In The Ass
POS - Piece Of Shit
ROFL - Rolling On Floor Laughing
RPM - Revolutions Per Minute (engine speed)
RWD - Rear Wheel Drive
RWHP - Rear Wheel Horsepower
RWTQ - Rear Wheel Torque
SAE - Society of Automotive Engineers
SBC - Small Block Chevy engine
SC - Super Charger
SES - Service Engine Soon lamp (on dash)
SOTP - Seat Of The Pants
STFU - Shut the f-ck up!
TBODY - Throttle Body
TBRAKE - Transmission Brake
TC - Torque Converter
TCS - Traction Control System
THX - Thanks
TH350 - Turbo Hydromatic 3-speed automatic transmission
TH400 - Heavy Duty Turbo Hydromatic 3-speed automatic transmission
TQ - Torque
TT - Twin Turbo
TTT - "To The Top"
UCA - Upper Control Arm (front suspension)
VERT - Convertible
WB O2 - Wide Band Oxygen Sensor
WOT - Wide Open Throttle
WTB - Want To Buy
WTF - What The F-ck?
WTG - Way to Go
WTT - Want To Trade