Possible Clues:

• Charging fan started the ultras running back out
• Lead-in to fan or jet
• Extra-powerful engine
• Prefix with "jet" or "prop"
• Knocks back old type of champagne with one of those efficient types in a car
• Part of engine died: track going uphill
• Fish minus tail in souped-up car
• Dragster booster
• Prefix for 'charger' or 'jet'
• Sports car engine type