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/hōlSHät/
getting a starting line advantage due to a quicker reaction time

We lowered the tire pressure, so hopefully he will get a little better HOLESHOT.

A “holeshot” is when a car gets a good reaction time and leaves the start line quickly. The term “holeshot” comes from a car getting out of the “hole”, or the start of the race”. So a holeshot is like leaving the start line like a shot from a gun.

I want this term to die off because it is difficult to explain and understand because there is no hole or shot in and kind of racing.

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/pyo͞ok - kan/
radiator overflow tank, usually made of plastic or polymer

After just three laps, the PUKE-CAN was already full.

A “puke-can” is short for a “coolant overflow tank”. When a cars engine gets hot, steam and excess pressure is released into the coolant overflow tank. People started to refer to this release of steam and pressure as “puking”, hence, a “puke-can”.

I wish this term would die off because it is kind of vulgar and nasty.

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/ˌōvərˈstir/
cornering behaviour where the rear wheels do not track behind the front wheels but instead move out toward the outside of the turn

The car started to OVERSTEER and he couldn't stop the car form coming around.

Oversteer is when a car’s rear end over rotates and disrupts the balance of a car. Usually, without proper skil and control, this leads to the car spinning out.

I wish this word would die off because its connotation and denotation tend to contradict each other making it difficult to explain and understand.

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/ˈāprən/
an area of asphalt or concrete that separates the racing surface from the infield.

The 43 car spun out and slid across the APRON into the infield.

The apron is just what the skirting of a racetrack is called. It is a flat piece of concrete between the racing surface and the grass of the infield. The reason for the name is that the apron protects the infield from out of control cars, like a an apron protects a cooks clothes.

I wish this word would die off because it doesn’t really make sense in a racing setting.

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/ˈslapər bär/
rear struts fixed to the rear axle to keep the rear axle from twisting; which causes wheel hop and loss of traction

He had a lot of wheel hop. Some SLAPPER BARS would help him hook up.

The proper term for a “slapper bar” is a “traction bar” After the technology for traction bars had been around for a while, enthusiast and spectators started to create a slang name for them. “Slapper bars” is the name they came up with because the bars could be seen “slapping” or “slamming” the back tires of the car into the ground for traction.

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/ˈfendər ˈflapər/
coined by dragster crews in the late 1960s to separate Funny Cars, which had fiberglass bodies with fenders

That FENDER FLAPPER has the quickest ET of the day.

The 1960s was the prime for drag racing. In this time, a new kind of race car, the “Funnycar” was created. The bodywork for these cars was flimsy fiberglass bolted to a tube frame and chassis. Spectators could see the bodywork flex and move when the car sped down the drag strip, hence the name, “Fender Flapper”.

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/ˈmärbəl/
pieces of rubber from tires that accumulate on the racing surface outside of the racing line that are slippery like toy marbles

He had to pass on the outside and he spun out in the MARBLES.

"Marbles” have a simple origin. When cars would get out of the “groove”, or where all of the cars race in the center of the track, they would get loose and spin out. Drivers saw that there were small pieces of rubber form tires, pebbles, and sand outside of the “groove”. They called this debris “marble” due to thier resemblance to toy marbles.

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/tin - täp/
road car-derived racing vehicles with a roof

That tin-top is on the pole this Saturday.

For decades, racing cars did not have roofs. However, when the imporatnce of aerodynamics was discovered in the 1950s and 1960s, more and more racecars were seen with roofs. Enthusiast and even drivers started calling the new cars tin-tops beacasue the roofs were ususally very thin ansd made of sheet metal.

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/ˈswiNGər/
a passenger on a racing motorcycle sidecar who athletically moves from one side of a sidecar to the other, altering a sidecar's weight distribution

The SWINGER was told to lean into the corners to help the rider steer.

The term "swinger" started in the 1950's when sidecar riders were seen "swinging" thier body weight around to control the cornering of the motorcycle.

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/strīp/
start/finish line of a racetrack

It was a photo finish at the STRIPE.

When paved oval racetracks became polular in the 1960's, a white stripe was painted on the asphalt to indicate where the race would start and end. That was how the origin of this word's definition was born.