Motor Sports Altered

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Motor Sports
Altered Automobile or motorcycle that has been modified after it leaves the factory.

Apex The point during a turn in which the car comes closest to inside edge of the corner. A tight apex usually means a good turn.

Back Off To reduce speed.

Banking, Banked Turn Turn that has a raised outer side to help driving control during the turn.

BHP (Brake Horse Power) Net power available at the output end of the engine. Brake refers to a dynamometer, a measuring mechanism, not the brakes of the car.

Bite Tire traction on the road.

Block Cylinder-containing unit of the engine.

Blower Supercharged engine.

Blown Two meanings a blown engine may mean (a) an engine equipped

with a supercharger, or (b) an engine that has a massive failure during a race.

Brick Yard Common name for the Indianapolis 500.

Bucket Seat Single seat contoured to body shape.

CC Cubic centimeters. Engine displacement is usually referred to in CCs.

Camber The angle at which the tires sit on the road.

Can-Am The Canadian-American Championship for race car drivers.

Charger Aggressive driver.

Chassis Underside part of the car, usually consisting of frame and axles, brakes, wheels, engine, transmission, driveline, and exhaust components.

Chicane Barriers added to an existing road to make the turns tighter or to add a turn or series of turns to an existing straight road.

Christmas Tree Series of vertical lights that act as a “countdown” to the start of a drag race. There is a green “Go” light; a yellow “Warning” light, and a red “Foul” light, which means the driver jumped the start. The Christmas trees is positioned so that the driver can see it at the start of a drage race.

Circuit Course used for racing in which drivers repeat the same route.

Closed Event Race in which spectators or unauthorized drivers are not admitted.

Club Race Race for members of a particular sports car club; usually refers to an amateur race.

Cool-Off Lap Extra lap after a course that is driven at a slower speed than the race, to ensure that the engine parts cool slowly.

Cut-Off Point A location before a turn at which point the driver takes his foot off the throttle and brakes the car for the turn.

Detroit Iron Uncomplimentary term used by sports car elitists to describe most

Detroit-made vehicles.
DNF Did Not Finish. Started the race, but did not complete it.

DNS Did Not Start. Entered the race, but did not start.

DOHC Double Over-Head Camshaft cylinder head.

Dial In To make adjustments to an engine. To “fine tune” it.

Differential Gear-drive mechanism that transfers power from drive shaft to wheel. Differential refers to different speed of each wheel in a turn.

Displacement Volume in cubic measure of a cylinder or engine.

Drafting Same as slipstreaming.

Drift Controlled slide, using engine power to keep the car on the road.

Driver’s School Special school for race drivers, using a closed race course to teach time trials, racing, and so on.

Esses Winding curves on a race course.

ET Elapsed Time. Drag racing term for a timed ¼-mile straight run.

Fire Suit Protective fire-resistant suit worn by drivers.

Flags Flags used in motor racing carry the following meanings:

Black Return to pits.

Blue (motionless) Another car is following you closely.

Blue (waved) Another driver is trying to pass you—make room.

Checkered (black and white) Driver has completed the race.

Green Starts the race.

Red Stop—clear the course.

White Emergency vehicle on the course.

Yellow (motionless) No passing, caution.

Yellow with red stripes Caution—oil on the course.

Flagman Official responsible for displaying various flags to drivers.

Flat Four Horizontally opposed four-cylinder engine (old VWs had flat four engines).

Flat Out Racing at maximum speed.

Flat Six Horizontally opposed six-cylinder engine (the Corvair had a flat six engine).

Flip To turn over or to roll over.

Flying Start A “running start,” passing the starting line at race speed, or nearly race speed.

FoMoCo Parts made by Ford Motor Company.

Formula Regulations governing a race car that involve engine displacement, length and width, weight, size of fuel tank, and type of fuel used. In general, these are common formulas for race cars:

Formula I Race car powered by a non-supercharged V-8 or V-12 engine from 1,600 to 3,000 cc (up to 450 horsepower). Generally has a wedge shape, wide treadless tires, and 13-inch wheels. Has a self-starter and a transmission with four or five forward gears, plus reverse.

Formula II Slightly smaller version of Formula I car, has supercharged four-cylinder production engine of 1,300 to 1,600 cc. Generally more

popular in Europe.
Formula III Racing car powered with a production engine up to 1,600 cc. Has specific limitations on air intake to the engine.

Formula A Similar to Formula 5000.

Formula Atlantic British car similar to American Formula B.

Formula B Formula car powered by a nonsupercharged production engine of 1,100 to 1,600 cc, powered by gasoline. Formula B is smaller and lighter than Formula 5000.

Formula C Formula car powered by an engine up to 1,100 cc.

Formula F (Formula Ford) Formula car powered by a nonsuper- charged 1,600 cc English Ford or Ford Pinto engine.

Formula 5000 Formula car powered by an engine of 1,600 to 3,000 cc or a production V-8 engine of up to 5000 cc. No supercharging allowed. Must run on gasoline. Generally similar to the Formula I automobile.

Formula V Formula car that is powered by a Volkswagon 1,200 cc engine, gearbox, transmission, and wheels.

Formula Super V Formula car that is powered by a Volkswagon 1,600 cc engine and gearbox, and runs on gasoline.

Four Wheel Drive Mechanism that allows power to be distributed to all four wheels.

Fuel Cell Special rubber-like container for gasoline, built so that it will not be split open during a crash. Might be called a “safety gas tank.”

Full Bore Driving at maximum throttle.

Funny Car Drag race car that has had unorthodox modifications. Generally, a funny car has a one-piece body, is powered by a supercharged engine and has a driver’s compartment behind the engine. The engine is completely exposed, rear wheels are wide, and front wheels are bicycle-type. Often contains a parachute-stopping device.

FWD Four Wheel Drive.

Getting a Tow Same as slipstreaming.

Grid Position for cars at beginning of race. Also refers to markings on a track.

Gymkhana Competition for best time on a Chicane-type course.

Hairpin Ultratight turn on a race course.

Hairy Frightening occurrence.

Hemi Car with hemispherical combustion chambers.

Hill Climb Race for the best clock time up a prescribed hill course.

History Same as totalled.

IFS Independent Front Suspension.

IRS Independent Rear Suspension.

Impound Area Area where cars may be required to be taken after a race so that officials can inspect them to make sure they have satisfied entrance requirements.

Jet Dragster Drag racer powered by a jet engine.

Lap One complete circuit of a race course.

La Mans Start A start in which drivers run from a starting line, get into their cars and drive away.

Line The best path through a race course.

MPG Miles per gallon.

Mags Wheel rims made of magnesium; used because magnesium is very light.

MoPar Parts made by Chrysler Corporation.

Mule Unattractive prototype automobile, made for testing or demonstration purposes only, usually without finishing touches, such as chrome.

NASCAR National Association for Stock Car Racing.

OHV Over Head Valve.

Oval Oval-shaped track.

Pace Car Vehicle used to pace racers at the start of a race.

Paddock Area near the track where cars are worked on. Usually similar to pits.

Pit An off-the-track area where a driver can get gas, minor repairs during the race, tire changes, and advice from crew members.

Pit Lane Lane that drivers use to enter and exit the pit area to and from a race course.

Pit Stop Stop made during race for fuel, minor repairs, and so on.

Prototype Test model of a new car.

Pump Fuel Fuel that is “consumer quality,” that is, that can be obtained at any gas station.

Qualifying Times Trials used to determine race position based on best time during trials.

Rally Race organized to test navigational skills of driver and navigator. Con- testants are given a route map and must check in at various predetermined points to obtain their time from point to point. Best time wins.

Roll Bar Safety bar that protects the driver in the case of a roll-over accident. Sometimes called headache bar for obvious reasons.

SCCA Sports Car Club of America.

SOHC Single Over Head Cam engine.

Shut the Gate To block a driver’s path during a race.

Slipstreaming To drive slightly behind another driver during a race to take advantage of reduced air resistance.

Slingshotting To drive around the lead car after slipstreaming.

Sports Car Racing automobile with high performance characteristics.

Sporty Car Car that is promoted as a sports car but because of mediocre characteristics, is really not a sports car.

Stand On It To hold the throttle pedal completely on the floor.

Standing Start Race start with all cars motionless, with drivers ready and engines idling.

Starter Official who controls the start of a race.

Stock Automobile that has not been modified since being delivered from the factory.

Street Legal Automobile that has been modified for race use, but has to be remodified for safety (street) purposes.

Supercharger Engine that has been modified by a mechanism that blows exhaust air back into engine at a higher rate than air entering the engine from the outside. Gives a power boost to the engine.

Tach (Tachometer) Meter that measures engine speed in revolutions per minute.

Time Trials Laps on a specific course for the fastest speed.

Totalled Completely wrecked.

Torsion Bar Rod in a suspension system attached to prevent side slipping of the automobile.

Transaxle Transmission and rear axle mounted as a single unit.

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