A delay box is a device that assists in perfecting your reaction time in a drag race, however some drag racers conceal the device and race in a no box class. … During a race, a driver releases a button that internally countdowns the electric signal until it releases the trans-brake to almost a perfect light.
What is a delay box used for in drag racing?
“Delay Box” is a common slang term used in drag racing to describe an on-board timer which is a Transmission Brake Delay Timer. A transbrake forces the race car to remain stationary at the starting line, in gear, regardless of how much engine power is applied.
What does no electronics mean in drag racing?
A No/E car is supposedly a “throwback” to the old fashioned style of racing before electronics were the vogue. The driver controls the launch rpm with one foot on the brake or clutch and the other on the gas and drives the car down the track, controlling the throttle and shifting the transmission.
Why are there no time cars in drag racing?
The first major difference is, the scoreboards are turned off and programmed to display the win light only, no times or mile per hour readings are shown and time slips are not handed out. This is to protect the performance numbers of the car for reasons we will explore shortly.
What is a stutter box?
A stutter box is basically a rev limiter set up to come on at the middle or top end of the track. They were used to control et’s, but are now illegal.
Why is it called drag racing?
whose husband has got a month for “griddling in the main drag” (singing in the high street). The ‘roadway’ meaning of drag was transferred from England to the USA and, in the 1950s, the teenage pastime of racing cars ‘along the main drag‘ began to be called ‘hot rodding’ or ‘drag racing’.
What is a door slammer drag car?
Top Doorslammer is a professional (Pro) class of Australian drag racing. It caters to full-bodied racing sedans which are replicas of Australian or US production vehicles. … The minimum weight break for these vehicles is 2700 lbs (1225 kg).
What is the fastest quarter mile time ever?
Tesla Model S Plaid achieves new quarter-mile world record in 9.2 seconds. The new Tesla Model S Plaid has reportedly achieved a new quarter-mile world record with a 9.2-second run, according to Jay Leno, who was at the racetrack for the record attempt.
What is a 7.0 car?
7.0 Index Class. Class Description. Class is designed for street appearing cars and trucks, weighing a minimum of 2,800 lbs.