Related Clues:

• Chances
• They're taken in chess
• Blushes
• Guns, as a motor
• Guns the engine
• Races the engine
• Races, as a motor
• Speeds up
• Vrooms the engine
• Prepares to drag
• Doesn't go straight
• The R in RPM
• Tach reading
• Intensifies, with 'up'
• Gives the gun