Thread: *Newbie/ Vocabulary*
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Old Sep 1, 2009 | 10:57 AM
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calley88
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Default *Newbie/ Vocabulary*
Hey guys, saying what's up from Chicago! My name is Aires..and Here's my new subaru! I love it already. This is my first car too, so it feels really great.







 Just wanted to post some basic & advanced acronyms that I always see.. usually someone doesn't know what they are so, thought I'd share. (found it in another thread/forum) Please add more and start some conversation here.



 Thanks!!




CAI - cold air intakes
WAI - Warm air Intake
SR - Shark Racing
IM - intake manifold
TB - Throttle body
BBTB - Big Bore Throttle Body
MAF - Mass air Flow
MAP - Manifold absolute pressure
AIT - Air intake temperature
AFR - air fuel ratio
ABS - Anti Lock braking system
ATC - Automatic temperature Control
SOHC - Single overhead Cam
DOHC - Dual overhead Cam
OHC - Over head Cam
Evap system - Evaporation System
IAC - idle Air Control
CAT - Catalytic Converter
MAT - manifold air temperature
PFI - port fuel injected
EFI - electronic fuel injection
TPS - throttle position sensor
TBI - throttle body injection
WOT - wide open throttle
A/C - Air Conditioning
ATF - automatic transmission fluid
LSD - Limited slip differential
AWD - all wheel drive
AWS - all wheel steering
O/D - overdrive
Tranny - transmission
HP - horse power
BHP - brake horse power
FWD - front wheel drive
RWD - Rear wheel drive
MPG - miles per gallon
NA - naturally aspirated
RHD - right hand drive
RPM - revolutions per minute
SC - supercharged
SRS - secondary restraint system
TC - turbo charged
ART- air ride technologies
SLL- solar led lights
MIL = Malfunction Indicator Light
RTFM = READ THE FACKING MANUAL
PPM = Parts Per Million (smog term)
GLS-Grand Luxo Super
LS-Luxury Sedan
LX-Luxury
DCCD-Driver Controlled Center Differential (Subarus )
TC-also seen as traction control
EBD-Electronic Brake Distibution
ASC-Automatic Stability Control
ACS-Auto Car stereo
CFC-Clorofluorocarbons
AWD-All wheel Drive
K&N- k&n cold air intake
AVCS-Active Valve Control System
SRS-Secondary Restraint System
DRL-Daytime Running Lights
LL- 12v led lights
VTEC-Variable Valve Timing and Electronic Lift Control
iVTEC-"intelligent" Variable Valve Timing and Electronic Lift Control
WRC-World Rally Championship
FIA-Federation Internationale de l'Automobile
SAE-Society of Automotive Engineers
AEM-Advanced Engine Management
AMG-Aufrecht Melcher Grossaspach (Mercedes Benz racing)
POS- Piece of *****


BHP - HP measured at the crank
WHP - HP measured at the wheel(s)
RWHP - HP measured at the rear wheel(s)
CR - Compression Ratio


And some basic mechanical terms:
CCT - CamChain Tensioner
TDC - Top Dead Centre
BDC - Bottom Dead Centre
BTDC/ATDC - Before/After TDC
BBDC/ABDC - Before/After BDC
Deck Height - Height of the engine from crank centreline to head face
Compression Height - Height of a piston (wrist pin centre to flat deck of the crown)
Rod Length - Conrod length (centre of crankpin to centre of wrist pin)
Rod Ratio - Rod length divided by crank stroke
Bore spacing - Distance between the centres of two adjacent bores
Cam Base Circle - The heel or back of the cam lobe where the valves are bot in contact (NB: Installed cams are usually measured at a specified opening of 1mm or 0.50")
Cam Lift - Difference between the base circle and lobe
Cam Duration - Degrees of crank travel while intake or exhaust valves are open
Cam Overlap - Degrees of crank travel while intake and exhaust valves are open

Suspension Terms:
Sag - Difference between fork or shock length extended and at rest
Race Sag or Rider Sag - Sag with the rider in position
Compression Damping - Valves controlling fork or shock compression rate
Rebound Damping - Valves controlling fork or shock extension rate


Technical/Car related Acronyms

AC = Alternating Current
A/F = Air to Fuel
A/T = Automatic Transmission
ABS = Anti-lock Braking System
ACT = Air Charge Temperature
BHP = Brake Horsepower
CCRM = Computer/Constant Control Relay Module
CEL = Check Engine Light
C[K]PS = Crankshaft Position Sensor
COP = Coil On Plug
CV = Crown Victoria/Constant Velocity
DC = Direct Current
DS = Drive Shaft
DMM = Digital Multimeter
DOHC = Double Overhead Camshaft
EATC = Electronic Automatic Temeprature Control
ECT = Engine Coolant Temperature
ECM = Engine Control Module (a term for a car's computer)
ECU = Electronic Control Unit
EEC = Electronic Engine Control (a term for a car's computer)
EFI = Electronic Fuel Injection
EGR = Exhaust Gas Recirculation
EGT = Exhaust Gas Temperature
ET = Elapsed Time
EVTM = Electrical and Vacuum Troubleshooting Manual
FFS = Feedback Fuel System
F/I = Forced Induction [engine]
FN10 = Full-size North American Project #10
FPR = Fuel Pressure Regulator
HO = High Output
[H]O2S = [Heated] Oxygen Sensor
IAC = Idle Air Control
IAT = Intake Air Temperature
IRS = Independent Rear Suspension
IMRC = Intake Manifold Runner Control
J-mod = Jerry's transmission modification
LCA = Lower Control Arm
MAF = M*** Airflow [sensor]
MIL = Malfunction Indicator Lamp
M/T = Manual Transmission
MLPS = Manual Lever Position Selector
MN12 = Mid-size North American Project #12
N/A = Naturally Aspirated [engine]
NPI = Non-Performance Improved
NOS = Nitrous Oxide System/New Old Stock
OBD-II = On-Board Diagnostic system Rev. 2
OD = Overdrive
OE[M] = Original Equipment [Manufacturer]
P/A = Power Adder [engine]
PCM = Powertrain Control Module (a term for a car's computer)
PCV = Positive Crankcase Ventilation
PI = Performance Improved
RPM = Revolutions Per Minute
RWHP = Rear Wheel Horsepower
RWTQ = Rear Wheel Torque
SATC = Semi-Automatic Temperature Control
SC = Super Coupe/Supercharger
SOHC = Single Overhead Camshaft
TB = Throttle Body
TC[C] = Torque Converter [Clutch]
TDC = Top Dead Center
TOT = Transmission Oil Temperature
TPS = Throttle Position Sensor
UCA = Upper Control Arm
VSS = Vehicle Speed Sensor
WOT = Wide Open ThrottleAED = Allen Engine Development
AFAIK = As Far As I Know
BTW = By The Way
SCCoA = Super Coupe Club of America
FRPP = Ford Racing Performance Parts
IIRC = If I Recall/Remember Correctly
IM[H]O = In My [Humble/Honest] Opinion
N/m = No Message/Nevermind
OP = Original Poster
SCT = Superchips Custom Tuning
TCCoA = Thunderbird and Cougar Club of America
TSB = Technical Service Bulletin
TTT = To The Top
X2/X3/+1 = Showing agreement with a previous statement
YMMV = Your Mileage May Vary



Have a good day!
 
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