Related Clues:

• Engine noise
• Engine sound
• Souped-up engine sound
• Rev
• Revving sound
• Sound heard at Indy
• Revolutionary sound?
• Dragging sound
• Drag race sound
• Big engine sound
• Auto race noise
• Noise in garage speaks of more velocity in reverse
• Fast revving sound
• Sound of a car speeding away
• Sound of an engine revving