## What Engines Are in the Indy 500 Cars?
The Indianapolis 500 is one of the most prestigious races in the world. It is a 500-mile race held on an oval track at the Indianapolis Motor Speedway in Indiana. The race is typically held on the last Sunday in May and is one of the three races that make up the Triple Crown of Motorsport.
The Indy 500 is known for its high speeds and close racing. The cars that compete in the race are specially designed for speed and endurance. One of the most important components of an IndyCar is its engine.
**Honda**
Honda has been the exclusive engine supplier for the IndyCar Series since 2006. The Honda IndyCar engine is a 2.2-liter, twin-turbocharged V6 engine that produces over 700 horsepower. The engine is designed to be both powerful and efficient, and it has helped Honda drivers win several IndyCar championships.
**Chevrolet**
Chevrolet was the previous engine supplier for the IndyCar Series from 1997 to 2005. The Chevrolet IndyCar engine was a 3.5-liter, naturally aspirated V8 engine that produced over 650 horsepower. The engine was known for its reliability and durability, and it helped Chevrolet drivers win several IndyCar championships.
**Ford**
Ford was a major engine supplier for the IndyCar Series from 1965 to 1996. The Ford IndyCar engine was a 2.65-liter, twin-turbocharged V8 engine that produced over 800 horsepower. The engine was known for its power and speed, and it helped Ford drivers win several IndyCar championships.
**Offenhauser**
Offenhauser was a major engine supplier for the IndyCar Series from 1930 to 1983. The Offenhauser IndyCar engine was a 2.5-liter, naturally aspirated V8 engine that produced over 500 horsepower. The engine was known for its reliability and durability, and it helped Offenhauser drivers win several IndyCar championships.
**Miller**
Miller was a major engine supplier for the IndyCar Series from 1923 to 1930. The Miller IndyCar engine was a 1.5-liter, supercharged V4 engine that produced over 300 horsepower. The engine was known for its power and speed, and it helped Miller drivers win several IndyCar championships.
**Other Engines**
In addition to the engines listed above, several other engines have been used in the IndyCar Series over the years. These engines include:
* Buick
* Chrysler
* Cummins
* Duesenberg
* Mercedes-Benz
* Peugeot
* Toyota
**Engine Regulations**
The IndyCar Series has strict engine regulations that all engines must meet. These regulations are designed to ensure that all engines are competitive and that the race is fair. The current engine regulations are as follows:
* The engine must be a 2.2-liter, twin-turbocharged V6 engine.
* The engine must produce no more than 700 horsepower.
* The engine must use a single fuel injector per cylinder.
* The engine must use a single turbocharger per bank.
* The engine must be mounted in the rear of the car.
The IndyCar Series engine regulations are constantly being updated to reflect the latest technology and to ensure that the race is fair and competitive.
