Ford Ford 138ci · 3.444" × 3.7" · 9.5:1 engine specs: 138 ci (2.3L), 4-cylinder, 3.444" bore x 3.7" stroke, 9.5:1 compression.
| Displacement | 138 ci / 2.3 L |
|---|---|
| Bore | 3.444" |
| Stroke | 3.7" |
| Cylinders | 4 |
| Compression ratio | 9.5:1 |
| Rod length | 5.878" |
| Rod ratio | 1.589 |
| Bore/stroke ratio | 0.931 |
| Piston deck clearance | 0" |
| Advertised HP | 264 hp |
|---|---|
| Years | 2015 |
| Bore/stroke character | 0.931 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,700 ft/min — in the range typical of performance street engines |
| Rod ratio | 1.589 — moderate — the range most production V8s fall in |
| Displacement per cylinder | 34.5 ci |
| Static compression | 9.5:1 — in the range that usually runs on pump premium |
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Source: NHRA blueprints — nhra.net blueprints