Related Clues:

• Races a motor
• Guns, as on a racetrack
• Amps (up)
• Short spins?
• Causes to roar
• Gives it some gas
• Tests an engine
• Races an engine
• Guns before the gun
• Guns, like an engine
• Races in place
• Pushes the engine
• Clergy members (Abbr.)
• Accelerates sharply
• Auto racer's concern