Related Clues:

• Fire up the engine
• Part of IRS: Abbr.
• Flock leader, familiarly
• MLK's title
• Minister, briefly
• Intensify, with ''up''
• Cleric's title (Abbr.)
• Race, as a motor
• Accelerate, with ''up''
• Accelerate, briefly
• Rel. title
• Accelerate, as an engine
• Pastor, informally
• Give gas to
• Hit the gas pedal in neutral