Related Clues:

• Gooses, as an engine
• MLK and Ralph Abernathy, for two (Abbr.)
• Makes a car go vroom
• Promotes strongly
• ___ up (motivates and excites)
• Makes purr, maybe
• Races, in a way
• ___ up (accelerates)
• Goes "vroom"
• Races, like an engine
• Runs engine very swiftly when starting?
• Checks an engine, perhaps
• __ up