Indy cars do not have speedometer. Instead they measure speed by the Revolutions Per Minute (RPM) of the engine through the use of a tachometer. By using tire diameter, gear ratio's and engine RPM the true speed of the car can be calculated.
yes
No, they do not. Manual transmissions are used in Nascar race cars.
It seems highly unlikely that Nascar will ever race strictly stock cars again.
Yes they can. Any race or gender can participate in Nascar racing.
The Nascar Cup Series fields 43 drivers at every race they go to on the schedule.
Talladega
Racing cars such as those in Formula 1 racing do not have speedometers
43 cars race in each Nascar Sprint Cup race. The numbers change on how many enter.
No, they do not.
Depends on the race, during NASCAR events the NASCAR stock cars race, during the 24 hours at Daytona event different sports cars race.
Chevy Volt
43 drivers are in one Nascar Sprint Cup Series race.