| Answer | Crossword Clue |
|---|---|
| SHARP | Well-tuned-in. |
| INKEY | Well tuned |
| ACUTE | Well-tuned |
| PURRS | Well-tuned engine sounds |
| HUM | Well-tuned engine output |
| PURR | Well-tuned engine sound |
| PURR | Sound like a well-tuned engine |
| HUM | Sound of a well-tuned engine |
| PURR | Sound of a well-tuned engine. |
| PURR | Sound of a well-tuned engine |
| ENGINEPURR | Sound of a well-tuned car |
