Ford Ford 281ci · 3.553" × 3.543" · 10.5:1 engine specs: 281 ci (4.6L), 8-cylinder, 3.553" bore x 3.543" stroke, 10.5:1 compression.
| Displacement | 281 ci / 4.6 L |
|---|---|
| Bore | 3.553" |
| Stroke | 3.543" |
| Cylinders | 8 |
| Compression ratio | 10.5:1 |
| Rod length | 5.933" |
| Rod ratio | 1.675 |
| Bore/stroke ratio | 1.003 |
| Piston deck clearance | 0" |
| Advertised HP | 270 hp |
|---|---|
| Years | 2010 |
| Bore/stroke character | 1.003 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,543 ft/min — in the range typical of performance street engines |
| Rod ratio | 1.675 — moderate — the range most production V8s fall in |
| Displacement per cylinder | 35.1 ci |
| Static compression | 10.5:1 — in the range that usually runs on pump premium |
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Source: NHRA blueprints — nhra.net blueprints