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Abbreviations, Phrases, and Definitions

Discussion in 'Archive' started by Rellik, May 4, 2005.

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  1. Rellik

    Rellik is a dirty pirate

    Sep 17, 2002
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    Southern California
    Typical abbreviations and phrases used in the Bolt Ons section:

    A/F - Air / Fuel Ratio

    ASP - A maker of Underdrive pullies

    BBK - A performance company

    Butterfly Valve - The throttle body control plate

    CAI - Cold Air Induction

    CARB # - A serial number that proves compliance with the California Air Resources Board emission regulations.

    CAT - Short for Catalytic Converter

    CEL - Check Engine Light

    Chip - Reference to the Computer chip that controls the operation of the vehicle.

    Crossover - Any type of mid-pipe which connects the pipes coming from the cats.

    DC - Densecharger (AKA Tunable induction)

    Donut - Exhaust flange gasket

    Drone - A low frequency sound that usually occurs at a specific RPM while the engine is under load

    Dumps - An exhaust setup which does not include cats, mufflers, or any pipes after the headers

    EGR - Exhaust Gas Recirculation

    Exhaust Flange - A coupler used to connect exhaust system components; usually found on headers-to-midpipe and midpipe-to-catback connections

    FIPK - Fuel Injection Performance Kit (Developed by K&N)

    Flows - Usually short for Flowmasters

    H - A type of exhaust crossover pipe in the shape of an "H"

    H/C/I - Short for Heads, Cam and Induction

    Harmonic Balancer - Connected to the crankcase to reduce torsional vibration. Separate from 94-98 V6 crank pulley / integrated on 99-04 V6 crank pulley.

    High-Flows - Usually meaning High Flow Catalytic Converters.

    IAC - Idle Air Control

    IAT - Incoming Air Temperature sensor

    ID - Inside Diameter

    LT - Long Tube Headers

    Lower - Lower induction manifold

    MAC - A performance company

    MAF - Mass Air Flow sensor

    Mandrel Bend - A bend in which the diameter of the pipe stays the same throughout

    MIL - Malfunction Indicator Lamp

    O/R - Off-Road. Typically used in reference to Off Road Exhaust pieces which are not street-legal

    OD - Outside Diameter

    ODP - Overdrive Pulley

    OEM - Original Equipment Manufacturer

    P/P - Port and Polish

    P/S - Power Steering

    PCV - Positive Crankcase Ventilation

    Permatex - A maker of various gasket maker materials/silicones.

    Plenum - Another way to say intake

    Pre-cats - The first pair of catalytic converters on stock mustangs

    R/R - Roller Rocker

    S/S - Stainless Steel

    Secondary cats - The second pair of Catalitic Converters on stock Mustangs. Also referred to as post-cats.

    Shorties - Short tube headers

    Single Port - Refers to 94-98 V6 Mustangs

    Sniffer - Refers to Emissions testing

    Snorkel - The stock air box silencer

    Split Port - Refers to 99-04 V6 Mustangs

    Take-offs - Stock exhaust taken off another car, usually a Mustang GT

    TB - Throttle Body

    - Exhaust piping turned downward directly after mufflers with no tailpipes

    UDP - Underdrive Pulley

    Upper - Upper induction manifold

    Vert - Convertible

    WOT - Wide Open Throttle

    Y - A type of exhaust mid-pipe, joining two pipes into one pipe, a second "y" can be used to split the pipes for a "fake"-dual exhaust setup.

    X - A type of exhaust crossover pipe in the shape of an "X"


    Jester4Kicks, Kuplex & Rellik
    Bolt Ons Moderators
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