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.
How many restrictor plate races are in NASCAR?
The 14 races on tracks shorter than 1.2 miles in length will use the same sized spacers from this season. The season-opening Daytona 500 next year will be run under current configurations that combine the restrictor plate with a tapered spacer. NASCAR will go to just a spacer at Daytona and Talladega after the 500.
Are restrictor plates still used in NASCAR?
DAYTONA BEACH, Florida — It’s the end of the NASCAR restrictor plate world as we know it. Sunday’s Daytona 500 marks the end of an era in modern NASCAR. Over 30 years after restrictor plates were put in the engines of Cup Series cars at Daytona and Talladega, Sunday will be the final race with restrictor plates.
Do they use restrictor plates at Talladega?
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.
When did they start using restrictor plates in NASCAR?
There have been four eras that NASCAR used restrictor plates. The first use came in 1970 as part of a transition from the seven-litre era (427 cubic inch) to the six-litre era (358 cubic inch) engine.
How fast would NASCAR go without restrictor plates?
NASCAR distributes them before the race and collects them when it is over. Some people believe that without restrictor plates, NASCAR racers could go more than 220 mph. In fact, one car tested at Talladega without a restrictor plate reached a speed of 228 mph, exceeding Bill Elliott’s record by 16 mph.
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.
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.
How do NASCAR restrictor plates work?
Restrictor plates are used at NASCAR’s super-speedways, including Daytona and Talladega, to slow cars down. … 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.
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.
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.
Is there a speed limit in NASCAR?
NASCAR announced the pit road speed limits for the 2021 season for each venue.
NASCAR pit road speed limits for 2021 season.
|Track||Pit Road||Caution Vehicle|
|Daytona International Speedway||55||70|
|Daytona International Speedway – Road Course||45||50|
|Dover International Speedway||35||45|
|Elkhart Lake’s Road America||40||45|