Hot Rod

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Across
  1. 2. Exhaust silencer (8)
  2. 3. RPM gauge (10)
  3. 7. Slow down! (6)
  4. 9. Power-boosting device (11)
  5. 11. Engine cooling system (8)
  6. 12. Twisting force (6)
  7. 13. Fuel system upgrade (12)
  8. 15. Cylinder mover, gun (6)
  9. 16. Frame (7)
  10. 18. Early fuel used in racing engines
  11. 19. Classic American brand (5)
Down
  1. 1. She's a bit bumpy I need some more... (10)
  2. 4. Popular '30s-'40s model (5)
  3. 5. Old-school fuel mixer (10)
  4. 6. Dragway in Waikato (8)
  5. 8. Tyre grip (8)
  6. 10. Ford introduced in 1932 (6)
  7. 14. NZ organisation governing hot rod events
  8. 17. Ignition component (9)