So in the 70s a lot happened to the racing culture. 1970 NHRA adopts and renames Pro Stock class. They are beneath the Top Fuel and Funny Cars. Pro Stock is high performance and brand identification. Season-long points competition would produce Professional Drag Racing. Season-long points competition would produce World Champions in several classes, with winners with the highest points at the end. Winners could win as much as $25,000. In 71 Catastrophic crash saw a racer hospitalized. Spectators losing interest made them add a bunch of safety features. Fire extinguishers more powerful withstanding engine blocks. Nitromethane caused motors to need rebuilt frequently so they don't explode and hurt spectators. In 72 the first five-second Top Fuel car ran. It happened in Ontario Canada. NHRA outlaws big-block Pro Stock cars. Small …show more content…
NHRA establishes a points system. First tube-frame-chassis is introduced. Drag Racing becomes better government with the birth of bracket racing. With advancing technology and a bad economical growth. Weekend racers found themselves in debt. So the top guys in charge made it where you have to race against yourself. You would guess your time and if you got close or right on it. You would make money on how close your guess was to your time. The bracket racing then is the same is the normal for every race we have today. In 75 DRS (Drag racing series). People who wanted to join a race team had $100,000 towards new racers. A new racer beats a record of 5.63/250.69mph run speed for a quarter-mile. First five-second pass was made in a Funny Car. In 76 Shirley Muldowney becomes the first chick to win a national event in a pro category. She raced in a Top Fuel car. Wishing the following year she became a Top Fuel world champion. In 77 Pro Stock rules change 500 Cubic Inch V8 were allowed. They were losing reputation so they needed something big to stay popular. So when the changed the rules spectators came flocking