Ford Fox Specs
Ford Fox engine specs: 61 ci (1L), 3-cylinder, 2.8307" bore x 3.2283" stroke, 10:1 compression.
Dimensions
| Displacement | 61 ci / 1 L |
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| Bore | 2.8307" |
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| Stroke | 3.2283" |
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| Cylinders | 3 |
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| Compression ratio | 10:1 |
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| Bore/stroke ratio | 0.877 |
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Construction
| Block material | cast iron |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | gas |
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| Advertised HP | 100–140 hp |
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What these numbers mean
| Bore/stroke character | 0.877 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,228 ft/min — conservative for a street engine |
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| Displacement per cylinder | 20.3 ci |
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| Static compression | 10:1 — in the range that usually runs on pump premium |
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Variants sharing these dimensions (3)
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
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| — | 100 hp | Fox |
| — | 125 hp | Fox |
| — | 140 hp | Fox |
Vehicles (9)
- Ford Fiesta
- Ford Focus
- Ford B-Max
- Ford C-Max
- Ford EcoSport
- Ford Transit Connect
- Ford Puma
- Ford Fiesta ST-Line
- Ford Focus ST-Line
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