Across
1. Electrical-circuit safety valve, ____ link
5. Racer Cale Yarborough’s real first name
8. RWD car’s differential, slangily (4,3)
9. NASCAR driver
10. Ran the engine at lowest RPM
11. Adjusted camber, caster and toe-in
12. Kid’s rental racer (2,4)
14. Irritating new-car noise
18. Slang term for brakes
20. Spark plug’s thread length
22. Transmission ____ shaft
23. Term for valve-seat deterioration
24. Big name in tiny cars
25. Brakes convert kinetic energy to ____ energy
Down
1. Piston-production process, sometimes
2. Unexpected engine stoppage
3. Brake-caliper component, ____ valve
4. Piston-ring specification (3,3)
5. Maker of scale-model vehicles
6. Fastener anti-loosening device (4,3)
7. Enlarged a cylinder’s diameter
13. Steering-system pivot shaft
15. Service-station convenience (3,4)
16. Substance sometimes blended with gasoline
17. Tire profile, a.k.a. ____ ratio
18. Assembly line document, ____ sheet
19. Car convenience, keyless ____ system
21. Since 2004, API’s top motor-oil grade (1,1,1,1,1)
