| Similarity | Rank | |
|---|---|---|
| twin-cam | 0.870 | 90179 |
| four-cylinder | 0.866 | 51471 |
| turbo-charged | 0.860 | 61390 |
| 4-litre | 0.849 | 58299 |
| lwb | 0.846 | 43559 |
| dohc | 0.845 | 99120 |
| 6-litre | 0.842 | 57742 |
| 24-valve | 0.842 | 59785 |
| 0-litre | 0.841 | 82917 |
| non-turbo | 0.840 | 72533 |
| fuel-inject | 0.836 | 52331 |
| 3-litre | 0.828 | 46489 |
| turbocharged | 0.826 | 35418 |
| hartzell | 0.826 | 96501 |
| engined | 0.824 | 45213 |
| 8-litre | 0.823 | 51885 |
| 9-litre | 0.823 | 67143 |
| mtu | 0.821 | 97764 |
| sd1 | 0.821 | 85970 |
| souped-up | 0.815 | 70656 |
| 750cc | 0.815 | 96464 |
| lycoming | 0.812 | 52004 |
| three-litre | 0.811 | 77892 |
| v10 | 0.811 | 75873 |
| 24v | 0.810 | 47849 |