Related Clues:

• Races an engine
• Guns before the gun
• Guns, like an engine
• Races in place
• Sells hard
• Pushes the engine
• Clergy members (Abbr.)
• Publicizes heavily
• Accelerates sharply
• Auto racer's concern
• Goes 'vroom vroom'
• Vitalizes, with ''up''
• Amps up, with 'up'
• Heavily promotes
• Races in neutral