Related Clues:
- Engine with 8-Down
- Sphere opening?
- Half-
- In North America these musical notes are called sixty-fourth notes
- "Sphere" start
- Airy beginning?
- Chrysler V-8
- 50 percent, up front?
- Powerful engine, informally
- Powerful engine type
- Hot-rod engine
- Prefix meaning "air"
- Half of uni-
- ''Half'' prefix for sphere
- Powerful engine, for short