The best racing in my book is winged sprint cars on dirt, They run around a 3/8 mile track in around 11-12 seconds, One of the best power to weight ratios in 4 wheeled motorsports (approx 850 HP in a 1375# car).
Don't forget, 20+ cars on a 1/4-1/2 mile dirt track all racing at the same time turning 4 turns in 1 lap. Little if any drama and if it doesn't get your heart beating, your heartless.....................................