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Ford C-code specs: 289 ci (4.7L) 8-cylinder, 4.00 x 2.87 in (101.6 x 72.9 mm) bore and stroke. Rated 195-200 hp, 1964–1967. Used in the Ford Fairlane.
The Ford C-code is oversquare — the 4" bore exceeds the 2.87" stroke by 39.4% — a layout that favors airflow and RPM over leverage at the crank. The 2.87" stroke does not reach 4,000 ft/min of mean piston speed until about 8,350 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. A rod ratio of 1.796 is long by production standards — less side-load on the cylinder wall and gentler piston acceleration around TDC, the geometry that tolerates high RPM. Each of the 8 cylinders displaces 36.1 ci (592 cc).
It is one of 12 engines in the Ford 289ci family, all of them 289 ci — the differences between them are in compression, heads and rating, not displacement. 3 factory variants share these dimensions, rated from 195 to 200 hp across 1964–1967.
| Displacement | 289 ci / 4.7 L |
|---|---|
| Bore | 4" |
| Stroke | 2.87" |
| Cylinders | 8 |
| Configuration | V8 |
| Rod length | 5.155" |
| Rod ratio | 1.796 |
| Bore/stroke ratio | 1.394 |
| Fuel type | gas |
|---|---|
| Advertised HP | 195–200 hp |
| Years | 1964–1967 |
| Bore/stroke character | 1.394 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 2,870 ft/min — conservative for a street engine |
| Rod ratio | 1.796 — long — less side loading on the cylinder wall, favours high RPM |
| Displacement per cylinder | 36.1 ci |
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These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 1964 | 195 hp | C-code |
| 1966 | 200 hp | C-code |
| 1967 | 200 hp | C-code |