Which of the four engine strokes is the only one that actually

The secret heartbeat of your car

Chapter 1

The four-stroke dance

Chapter 2

The heavy metal band

Chapter 3

Feeding the beast

Chapter 4

Keeping it cool and smooth

YOUR GOAL

Master of The secret heartbeat of your car

Ch 1 · The four-stroke dance
A
audi

audi Four-Stroke Cycle

Four quick strokes to make the piston slide (but only one spark gives the wheels their ride!)

2h ago

A
audi
At 3,000 RPM, each cylinder runs through all four strokes 25 times every second.

2h ago

A
audi
The big bang moment

audi Expanding gas at 2,000 degrees Celsius violently drives the metal piston downward.

2h ago

A
audi
Squeezing the power

audi The engine tightly packs the air-fuel mixture to make the upcoming explosion incredibly powerful.

2h ago

A
audi
Fun Fact

Four-stroke speed: At 3,000 RPM, each cylinder performs this entire cycle 25 times every single second.

2h ago

A
audi
Gossip

Would you drive a car that makes absolutely no sound?

2h ago

A
audi
Quiz

Why does a car engine compress the air-fuel mixture before igniting it?

2h ago

A
audi
Quiz

What gas is pushed out of the cylinder during the exhaust stroke?

2h ago

A
audi
Quiz

What happens during the intake stroke of a car engine?

2h ago

A
audi
Quiz

What happens to the valves during the compression stroke of an engine?

2h ago

A
audi
Quiz

Who patented the modern four-stroke engine cycle in 1876?

2h ago

A
audi
Quiz

Which of the four engine strokes is the only one that actually produces power?

2h ago

A
audi
Quiz

How many times does a cylinder complete the four-stroke cycle per second at 3,000 RPM?

2h ago

A
audi
Quiz

What approximate voltage does a typical car spark plug use to ignite fuel?

2h ago