| Answer | Crossword Clue |
|---|---|
| REV | Give gas to, as an engine |
| REV | Give gas to an engine |
| FLOOD | Give an engine too much gas |
| THIOL | Compound added to natural gas to give it an odor |
| SOUPUP | Add juice to, as an engine: 2 wds. |
| SOUPEDUP | Manipulated to be more powerful, as an engine |
