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Porsche 911/91, 911/96 - US/CDN specs: 2.4L (143 ci) 6-cylinder. Rated 140 hp, 1973. Rod ratio and piston speed worked out.
Each of the 6 cylinders displaces 23.8 ci (391 cc).
It is one of 4 engines in the Porsche 143ci family, all of them 143 ci — the differences between them are in compression, heads and rating, not displacement.
| Displacement | 143 ci / 2.4 L |
|---|---|
| Cylinders | 6 |
| Fuel type | gas |
|---|---|
| Advertised HP | 140 hp |
| Years | 1973 |
| Displacement per cylinder | 23.8 ci |
|---|
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