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Technical NASCAR Trivia Quiz

This is a quiz about the technical aspects of NASCAR; the parts of a stock car.

A multiple-choice quiz by waffy. Estimated time: 4 mins.

Author
waffy

Time
4 mins

Type
Multiple Choice

Quiz #
90,412

Updated
Apr 22 24

# Qns
10

Difficulty
Average

Avg Score
8 / 10

Plays
2587

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Modern NASCAR engines are based on a Chevy small-block design dating back almost 40 years. What is the stock displacement of the chevy small block used in NASCAR (before they slightly increase the size by over-boring the cylinders, that is)? Hint

350 cubic inches

289 cubic inches

400 cubic inches

305 cubic inches

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Question 2 of 10

2. Winston Cup stock cars used what kind of fuel delivery system? Hint

carburetion

electronic ignition

fuel injection

RFS (Roush Fuel System)

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Question 3 of 10

3. NASCAR tires have a safety improvement that enables the driver to remain in control of the car when the tire loses air pressure. What is it? Hint

run flat tires

inner liner

steel belted radials

solid rubber tires

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Question 4 of 10

4. The windshield of a stock car isn't made of glass, but instead of a shatterproof substance. What is it? Hint

Lexan

translucent aluminum

Plexiglass

specially hardened transparent wax

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Question 5 of 10

5. Restrictor plates are used to slow down the race cars at superspeedways like Daytona and Talladega. It works by restricting airflow through the engine. Where is it placed? Hint

between the block and the exhaust system

between the air cleaner and the carburetor

between the carburetor and the intake manifold

between the cylinder heads and the engine block

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Question 6 of 10

6. After Dale Earnhardt was killed in the 2001 Daytona 500, many different safety innovations were introduced. Among them were the HANS and Hutchens Devices; they are very similar in function. What do they do? Hint

instantly vent the gasoline out of the tank onto the track to prevent a fire inside the car

prevent neck injuries by helping to hold the head in place in a frontal impact

help keep the car from lifting off the ground if it gets turned around in an accident

fills the car with soft foam to prevent the drivers' limbs from striking hard surfaces

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Question 7 of 10

7. The restrictor plate was introduced at the end of the 1980s to slow down the cars, which were reaching incredible speeds on the large tracks. One driver, in 1987, in the last official qualifying run at Talladega without a restrictor plate, set the NASCAR qualifying record of 212.809 mph. Who was that driver? Hint

Bill Elliott

Buddy Baker

Dale Earnhardt

Richard Petty

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Question 8 of 10

8. Another safety device under development was announced by H.A. "Humpy" Wheeler, promoter of Lowe's Motor Speedway in Charlotte. What did his engineers invent in 2001? Hint

black boxes

full face helmet

fuel cell

the Humpy Bumper

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Question 9 of 10

9. Who supplies all tires to NASCAR stock car teams? Hint

Hoosier

Goodyear

Firestone

B.F. Goodrich

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Question 10 of 10

10. What kind of transmissions did NASCAR stock cars use, until 2022? (For the purposes of this question, don't count "reverse" among the number of gears.) Hint

4 speed manual

5 speed manual

3 speed automatic

6 speed tiptronic

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Quiz Answer Key and Fun Facts

Answer: 350 cubic inches

The 350 Chevy Small block is usually over-bored slightly to around 358 ci.

2. Winston Cup stock cars used what kind of fuel delivery system?

Answer: carburetion

800cfm (cubic feet per minute) carburetors were used, despite the fact that production cars had used fuel injection for over 10 years! This changed in 2012, when fuel injection was introduced for the Nextel Cup.

3. NASCAR tires have a safety improvement that enables the driver to remain in control of the car when the tire loses air pressure. What is it?

Answer: inner liner

Ideally, if the main part of the tire starts to go flat or blows apart, the inner liner remains intact, giving the driver some grip at that corner of the car, and making it possible to drive around to the pits without destroying the suspension.

4. The windshield of a stock car isn't made of glass, but instead of a shatterproof substance. What is it?

Answer: Lexan

Lexan is super-strong, but is very easily scratched by rocks and debris. Race teams usually cover the windshield with strips of plastic that can be peeled off when they get dirty and protect the Lexan from being too scratched to see through.

5. Restrictor plates are used to slow down the race cars at superspeedways like Daytona and Talladega. It works by restricting airflow through the engine. Where is it placed?

Answer: between the carburetor and the intake manifold

The plate sits between the carb and the manifold and restricts the flow of air and fuel into the engine; at high RPMs, the engine simply cannot get any more air and fuel and won't go any faster.

Answer: prevent neck injuries by helping to hold the head in place in a frontal impact

The HANS and Hutchens devices involve straps that hold onto the back of the helmet, preventing the head from snapping forward when the car hits the wall.

Answer: Bill Elliott

Speeds of that kind will never be seen from a stock car again; the cars are just too unstable at those kind of speeds to be safe.

8. Another safety device under development was announced by H.A. "Humpy" Wheeler, promoter of Lowe's Motor Speedway in Charlotte. What did his engineers invent in 2001?

Answer: the Humpy Bumper

The Humpy Bumper is a polymer device that would replace part of the metal in the front of the car. It collapses under impact in such a way that the car slows less rapidly and still protects the driver's compartment from impacting the wall.

9. Who supplies all tires to NASCAR stock car teams?

Answer: Goodyear

Goodyear has supplied the tires for decades; every so often another manufacturer attempts to compete with Goodyear (most notably Bob Hoosier's operation in the 80s and early 90s). Usually this results in a tire war, which is dangerous because tires are constructed with respect for speed only, and not durability and safety.

10. What kind of transmissions did NASCAR stock cars use, until 2022? (For the purposes of this question, don't count "reverse" among the number of gears.)

Answer: 4 speed manual

The 4 speed manual (plus reverse) had been a staple of NASCAR for decades. It changed to 5 speed in 2022.

Source: Author waffy

This quiz was reviewed by FunTrivia editor ozzz2002 before going online.
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