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Discussion Starter #1 (Edited)
This is a compilation of commonly used acronyms here at Challengertalk contributed by the members. If you are new to the forum, or just wonder what the heck MDS is, or SPAG, you will hopefully find it here. This isn't meant to be a list of common acronyms on the internet, but rather acronyms that are more specific to Challengertalk. Feel free to suggest any that we have missed so far, and I will add them if they fit the criteria. Thanks to everyone who has contributed to the list

8.4 = Uconnect 8.4" Head Unit

A5 = 5 speed automatic
A8 = 8 speed automatic
ABS = Antilock Brake System
AEV = Active Exhaust Valves
AFR = Air Fuel Ratio
AT = Automatic Transmission
ATF = Automatic Transmission Fluid
AWD = All Wheel Drive
Axle Back = Exhaust system after the rear axle

B5 = B5 Blue Color
BCM = Body Control Module
Blower = Supercharger (See also SC)
BOV = Blow Off Valve
Brembo 4 = 4 Piston Brembo Brakes
Brembo 6 = 6 Piston Brembo Brakes

CAI= Cold Air Intake
Cats = Catalytic Converters
Cat Back = Exhaust system after the Catalytic Converter
Catted Mids = Midpipes with Catalytic Converters built in
CDV = Clutch Delay Valve
CEL = Check Engine Light

DCG = Drivers Convenience Group Package
DD = Daily Driver
DI = Direct Injection/Direct Fuel Injection
DR= Drag Radials
DRLs = Daytime Running Lights
DS = Drive Shaft
DTC = Diagnostic Trouble Code

ECT = Engine Coolant Temp
EGR = Exhaust Gas Recirculation
EGT = Exhaust Gas Temperature
EHPS = Electro-Hydraulic Power Steering
ESC = Electronic Stability Control
EVIC = Electronic Vehicle Information Center

F8 = F8 Green Color
FCA = Fiat Chrysler Automobiles
FI = Forced Induction or Fuel Injection
FM = Friction Modifier
Forged = Adding Forged internal engine parts to replace weaker cast parts. Most notably Forged Pistons
FWD = Front-Wheel Drive

Gen3 or GenIII = 3rd generation Hemi Engine
Getrag = Limited Slip Differential

HC= Hellcat
HEMI = Hemispherical combustion chambers
HID = High Intensity Discharge Headlights
HF Cats = High Flow Catalytic Converters
HLA = Hydraulic Lash Adjuster
HU = Head Unit
HUD = Heads-Up Display
HVAC = Heating, Ventilation, and Air Conditioning

IAT = Intake Air Temperature
IFS = Independent Front Suspension
iDFSO = Interactive Decel Fuel Shut-Off
IRS = Independent Rear Suspension

LA = 2015- Current Challenger Platform
LC = 2008-2014 Challenger Platform
LCA = Lower Control Arm
LHD = Left Hand Drive
LSA = Lobe Separation Angle (Camshaft)
LSD = Limited Slip Differential
LT = Long Tube Headers

M6 = 6 speed manual
MAP = Manifold Air Pressure (IE: MAP Sensor)
MF = Microfiber (C'mon now, get your head out of the gutter! )
Mids = Mid Mufflers or Mid Pipes
MDS = Multi Displacement System
MIL = Malfunction Indicator Light
MOPAR= Combination of the words MOtor and PARts. Parts, service and customer care organization within Fiat Chrysler Automobiles
MT = Manual Transmission
MY = Model Year

NA = Naturally Aspirated
NAG/NAG1 = 5 speed automatic transmission (New Automatic Gearbox 1 [1st Generation])
NOS = Nitrous Oxide or Nitrous Oxide System
NVH = Noise, Vibration, and Harshness

O2s = Oxygen Sensors

PCM = Powertrain Control Module
PCP = Plum Crazy Purple/Plum Crazy Pearl color
PCV = Positive Crankcase Ventilation (IE: PCV Valve)
PDC= Power Distribution Center
PDI = Pre-Delivery Inspection
POC = Priced Order Confirmation
PP = Performance Pages
PPF = Paint Protection Film
PSI = Pounds per Square Inch

Raisin Bran Hood = New "Two Scoop" Hellcat hood
Reps = Replica Wheels (IE: Hellcat Reps, Demon Reps)
Res Delete = Resonator Delete
RHD = Right Hand Drive
RWD = Rear Wheel Drive
RWHP = Rear Wheel Horsepower

SA = Spark Advance
SC = Supercharged, or Supercharger
SG or SGII = Sound Group, Audio System
Shaker = Shaker Hood Scoop
SI/DO = Single In, Dual Out muffler design
SI/SO = Single In, Single Out muffler design
Six Pack = Three two-barrel carburetors
SP = Scat Pack
SPAG = Scat Pack Appearance Group
SPS = Scat Pack Shaker
SPWB = Scat Pack Wide Body
Squirters = Nozzles that squirt oil under the piston to keep them cooler
SRS = Supplemental Restraint System
SRT = Street & Racing Technology (High Performance Group Of FCA)
STP = Super Track Pak
ST or Shorties or Shortys = Shorty Headers

TCM = Transmission Control Module
TIPM = Totally Integrated Power Module
TB = Throttle Body
TPMS = Tire Pressure Monitoring System
TSB = Technical Service Bulletin
TW = Treadwear

UCA = Upper Control Arm

VIN = Vehicle Identification Number
VON = Vehicle Order Number
VVT = Variable Valve Timing

WB = Wide Body
WOT = Wide Open Throttle

ZF = Manufacturer of 8 Speed Automatic Transmission (2015+) (See also A8), and 2015+ Rear Differentials
 

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Great list. We should also add names to it.

Here are some:

Hemi- Denotes an engine with hemispherical combustion heads.

MOPAR- It is the parts, service and customer care organization within Fiat Chrysler Automobiles. The name is a combination of the words "MOtor" and "PARts."

Blower- Supercharger

Six Pack- Three two-barrel carburetors
 

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Discussion Starter #3
Those fit here, added ;)

A Guy
 

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Great job of putting this together!!!

I know there have been a few times I've scratched my head as I learn the lingo as I get more acquainted with my car and the brotherhood.

Thanks for this!!!
 

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Discussion Starter #8
Thanks guys, I can't take all the credit, others suggested ideas as well. It is an ongoing, community effort!

SXT is a trim level, currently there is

SXT
GT
RT
SRT
Hellcat
Demon

There are varying levels within trim level as well (Plus, Scat Pack, Shaker) to name a few

A Guy
 

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An addition and (to be picky) two corrections:
NAG -NAG1 5 speed automatic transmission
STP - Super Track Pak
PCP - Plum Crazy Pearl
 

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Discussion Starter #12
An addition and (to be picky) two corrections:
NAG -NAG1 5 speed automatic transmission
STP - Super Track Pak
PCP - Plum Crazy Pearl
Not saying you aren't right, but I had always heard Plum Crazy Purple, @Hal H @Slidd, edumacate me please :) Meanwhile, I'll list both. Thank you for the additions ;)

A Guy
 

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Not saying you aren't right, but I had always heard Plum Crazy Purple, @Hal H @Slidd, edumacate me please :) Meanwhile, I'll list both. Thank you for the additions ;)

A Guy
I can help ya there. The vintage color FC7 is referred to as Plum Crazy Purple and the modern color for our cars (PHG or FHG code) is Plum Crazy Pearl. Per Dodge of course.
 

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You're sure using that "broom experience". Thank you for all you do!
 

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Discussion Starter #16
you lost me there. I'm guessing it's some inside joke for A Guy
When he congratulated me for Super Moderator, I said they needed someone to sweep up at night ;)

BTW, thanks Prof, I'll leave both but Pearl is current



A Guy
 

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When he congratulated me for Super Moderator, I said they needed someone to sweep up at night ;)

BTW, thanks Prof, I'll leave both but Pearl is current



A Guy
You told me you had BROOM experience... lol.
 

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Here are a couple more.

FM - Friction Modifier
DTC - Diagnostic Trouble Code
PCV - Positive Crankcase Valve
DFCO - Decel Fuel Cut Off (used in HP tuners)
COT - Cat Over Temp
ECT - Engine Coolant Temp
ETC - Electronic Throttle Control
EOT - Engine Oil Temp
GPEC2A - engine controller used on +2015 Dodge Challenger (all trims)
GPEC2 - engine controller used on 2011 - 2014 Dodge Challenger (all trims)
ZF - Manufacturer of +2015 differential
PE - Power Enrichment (fueling table used at WOT)
CL - Closed Loop
OL - Open Loop
STFT - Short Term Fuel Trim (temporary fueling changes made by PCM)
LTFT - Long Term Fuel Trim (learned/stored fueling changes made by PCM)
NN - Neural Network (the PCMs artificial intelligence)
PR - Pressure Ratio (MAP/BARO)
AF - Dodges term for fuel ratio (FA = 1/AFR)
AFR - Air Fuel Ratio (AFR = 1/FA)
EQ - Equivalence Ratio, often referred to by the Lambda symbol (see image below)

MAP - Manifold Air Pressure
MAF - Manifold Air Flow (only used on 2015-2016 HC)
BARO - Barometric pressure
KOEO - Key On Engine Off
FCA - Fiat Chrysler Automobiles
SRT - Street & Racing Technology (high performance group of FCA)
SD - Speed Density (a method of estimating airflow into an engine in order to supply an appropriate amount of fuel and adequate spark timing)
VE - Volumetric Efficiency (describes how effective the engine, intake, ports, and exhaust design are at flowing thru the engine)
MVPI - HP tuners interface
VCM - HP tuners scanning/editing software
 
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