NASCAR Sprint Cup currently uses restrictor plates at Daytona International Speedway and Talladega Superspeedway. the device limits the power output of the motor and hence slows both the acceleration and the overall top speeds obtainable on the tracks where the cars are so equipped.
Does NASCAR still have restrictor plate races?
At Daytona and Talladega, the two fastest tracks in NASCAR were horsepower-sapping plates are used on the engines, NASCAR will now use a thicker tapered spacer with tapered holes aimed to restrict air flow. …
When did NASCAR stop using restrictor plates?
The last race with the original restrictor plates was the 2019 Daytona 500; after that race, the cars moved to a variable-sized tapered spacer already used at all other tracks, with the exception that the spacer would have smaller holes than the ones used at the smaller tracks, to ensure speeds stay under 200 MPH.
Why do they use restrictor plates in NASCAR?
Hole size is determined by NASCAR and varies between 0.875 inches and 1 inch (2.2 to 2.5 cm). Restrictor plates are placed between the carburetor and the intake manifold to reduce the flow of air and fuel into the engine’s combustion chamber, thus reducing horsepower and speed.
How fast can a stock car go without a restrictor plate?
A NASCAR car however could run about 240 or 250 MPH in current state if tuned to run without the restrictor place.
Is Texas Motor Speedway a restrictor plate race?
Based on qualifying speeds in 2004 and 2005, the Texas Motor Speedway was once considered the fastest non-restrictor plate track on the NASCAR circuit, with qualifying speeds in excess of 192 mph and corner entry speeds over 200 mph. …
Is Pocono a restrictor plate race?
It’s going to be a restrictor plate race. “What they’re going to have to determine is what tracks and what kind of things you want to see. Do you want to see racing as the fastest guy wins, how fast you can make your car, that’s the normal package.
Is Talladega restrictor plate race?
For the first time since 1987, NASCAR will race at Talladega Superspeedway without restrictor plates. A tapered spacer will instead keep things in check and manage engine air flow. Drivers will still have more horsepower than they used to, going from an estimated 410 to a targeted 550.
How many superspeedways are there?
There are six active superspeedways in the United States, the most famous being Indianapolis Motor Speedway and Daytona International Speedway, both 2.5 miles (4.0 km) long.
What is the fastest NASCAR speed ever recorded?
Bill Elliott achieved the fastest NASCAR speed record of all time while qualifying for the 1987 Winston 500 at Talladega. In his #9 Coors Ford Thunderbird, Elliott reached a top speed of 212.809 mph.
Whats faster F1 or NASCAR?
When it comes to speed, NASCAR undeniably falls behind the other two popular races, IndyCar and Formula 1. … Despite being powered by a V-8 engine, NASCAR vehicles average out at a top speed of just over 321 kmh (200 mph), which is quite a bit slower than the top speeds recorded in F1 and IndyCar vehicles.
What replaced restrictor plate?
NASCAR is merely switching to tapered spacers at every track to keep speeds in check. “No matter what you call it, you’re still restricting the air flow to the engine,” two-time Daytona 500 winner and 1988 NASCAR champion Bill Elliott said. “It’s just a different flavor, a different way of putting it.
How fast can a NASCAR go 0 to 60?
At top speed, race cars can reach over 200 miles per hour on the track. They can go from zero to 60 mph in approximately three seconds. During a race, NASCAR vehicles can reach up to 750 horsepower, whereas a regular car tops out at about 300 horsepower.
Do NASCAR drivers listen to music?
In NASCAR, drivers do not listen to music while they drive. The sport of NASCAR is one that requires the absolute focus of every driver involved in a race.
Do all NASCAR cars use the same engine?
Overall, due to the strict regulations that NASCAR has set in place, all engines will have almost the exact same performance, with a variation of about 1-2%. NASCAR prohibits the use of turbocharged engines and no car has ever used one in the history of the sport.
What is the fastest NASCAR track?
The Talladega Superspeedway is NASCAR’s fastest track. The founder of NASCAR built this 2.6-mile track to be longer than Daytona, with higher top speeds. Banked corners make this tri-oval faster still. Talladega is the home to multiple NASCAR records, including the fastest ever official stock car speed.