F
Factory Tuner - A stock or factory-default automobile with, or suitable for, aftermarket modifications (to enhance speed, power, or style).
Factory-Installed - Vehicle equipment that is installed by the manufacturer (in contrast to equipment that may be installed by the dealer or the owner).
Fan Hub - The mechanical connection between the radiator fan and its point of attachment.
Fastback - A car design where the roofline continues in a single curve from the windshield to the rear bumper.
Faux Cabriolet - A coupe built to look like a Cabriolet.
Fencer's Mask - A term used to describe a type of radiator grille design from the 1930s which resembled a fencer’s mask for its shape and fine weave of the grille.
Fender - The part of the body specially shaped to accommodate a wheel and tire.
Fender Skirts - An optional accessory that fits up in the wheel well and covers most or all of the cut-outs in the fenders at the rear wheels. An alternative is cruiser-skirts.
Finance - To borrow money (either as a loan or in the form of a lease) to obtain some or all of the funds to acquire a vehicle.
Finance and Insurance Office - The office within a dealership in which vehicle purchase contracts are prepared and signed and additional services (including insurance and extended warranties) may be offered to the purchaser.
Finance Incentive - Manufacturer loan programs offered to consumers, usually for a limited period, on selected vehicles and/or in certain areas, as an incentive to purchase a vehicle.
Finance Rate - The cost of credit (i.e., the interest rate) expressed as a yearly rate. Most commonly referred to as the APR rate.
Five-Window - A 1920s or 1930s two-door coupe with side windows behind the doors. The five windows are the door windows, these quarter windows, and the rear window (the windshield isn't counted). See also three-window.
Fixed Head Coupe - A hardtop coupe.
Flamethrowers - A system that includes spark plugs mounted in the tailpipes, with a switch that the driver hits to make them fire. The plugs ignite raw fuel coming out of the exhaust, resulting in trails of flames out the tailpipes.
Flat Engine - An internal combustion engine with multiple pistons that move in a horizontal plane. Typically, the layout has cylinders arranged in two banks on either side of a single crankshaft and is generally known as the boxer.
Flathead - Introduced in the 1932, this was the first truly affordable V-8, and the beginning of Ford's long association with performance. The flathead utilized a valve in block design, and the heads were greatly simplified compared to modern overhead valve heads. Flathead engines have a distinctive look, as can be seen in this 1932 Deuce Roadster
Flex Fuel Vehicle - A vehicle than can run on at least two different fuel sources either simultaneously through a single fuel system or separately through multiple fuel systems.
Flex-Fuel Engine - An engine that can be run on more than one type of fuel (for example, E85 and gasoline).
Fog Lights - A pair of driving lights that provides a wide, low beam in an attempt to undercut fog.
Forced Induction - The forced compression of air into an engines cylinders by means of a supercharger or turbocharger.
Fordor - A name used by Ford for a four-door sedan in the 1930s and 1940s (also sometimes spelled as Fodor)
Four on the Floor - The common term for a four-speed manual transmission with the shifting lever mounted on the floor rather than on the steering column.
Four-Square Worksheet - A standard form used at many dealerships that helps salespeople keep track of four elements of a deal during negotiations with a customer: the price of the vehicle, the amount to be credited for the trade-in, the down payment and the monthly payment.
Four-Wheel Steering - A feature of some vehicles that allows the rear wheels to be steered (by a computer and actuators), for the purpose of increasing high-speed cornering stability.
Frame - The steel structure that supports the body, engine, suspension and drive train.
Frame-Off Restoration - This is a restoration in which the entire vehicle is completely disassembled and all parts cleaned, rebuilt or replaced as necessary in order to meet the original factory specifications.
Frame-Up Restoration - This type of restoration is not as detailed as a frame-off, but usually involves restoring the paint, chrome, interior and mechanicals without completely dissembling the car.
Frenched - Recessed head or tail lights that are smoothed into the body.
Front Brakes Specifications - The dimensions of the major components of a vehicles front brake rotors, and the type of brake ventilation employed.
Front Mid Engine - A vehicle with an engine that is forward of its passenger compartment but aft of its front axle.
Front Seat Type - The type of front seating: bucket seats, sport seats, split-bench seats or captains chairs.
Front-engine, Rear-wheel drive (FR) - A vehicle that is propelled solely by its rear wheels and whose engine is located forward of its front axle.
Fuel Capacity - The amount of fuel that a vehicles fuel tank can hold.
Fuel Cell Vehicle - A vehicle that utilizes fuel cells to create electricity through a chemical process using oxygen from the air and hydrogen.
Fuel Consumption - The rate at which an engine depletes its fuel supply.
Fuel Economy - A measure of the amount of fuel used by a vehicle over a certain distance, or the distance traveled per volume of fuel used.
Fuel Filler Cap - A cap used to seal a vehicles fuel filler neck.
Fuel Filter - A replaceable metal or plastic canister that prevents particulate matter and most contaminants in the fuel from reaching the engine.
Fuel Injection System - A device that atomizes fuel by forcibly pumping it through a small nozzle under high pressure and delivers it to the vehicles engine.
Fuel Lines & Connections - The tubing and connections that carry fuel through a vehicle.
Fuel Pre-Filter - For diesel-fuel engines, the device that filters the fuel immediately before it enters the fuel pump.
Fuel Pump Shutoff - A device that automatically shuts off a vehicles fuel pump after a collision.
Fuel System - The assemblage of parts that stores and delivers fuel for the engine, including the fuel cap, fuel tank, fuel lines and hoses, fuel pump, fuel filter and fuel injectors or carburetor.
Fuel Type - The type of fuel used to power a vehicle: gasoline, ethanol, E85, diesel, bio-diesel, natural gas or electricity.
Fuel/Water Separator - A device that separates the water from the fuel in addition to, or as part of, the fuel filtering system.
Full Classic - A trademarked term used by the Classic Car Club of America to describe vehicles which it considers "classic cars". With some exceptions, the only Full Classics on the list are between model years 1925 and 1948, and in some instances may only be specific models rather than all cars made by an automaker that year.