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Ford V8 60 specs: 135.9 ci (2.2L) 8-cylinder, 2.60 x 3.20 in (66 x 81.3 mm) bore and stroke, 6.6:1 compression. Used in the Ford Ford V8 Cars (1935–1948).
The Ford V8 60 is undersquare — the 3.2" stroke exceeds the 2.6" bore by 18.8% — a layout that trades peak RPM for leverage and torque low in the range. The 3.2" stroke does not reach 4,000 ft/min of mean piston speed until about 7,500 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 8 cylinders displaces 17.0 ci (278 cc).
6.6:1 is low by modern standards and generally happy on regular pump fuel.
It is one of 26 engines in the Flathead V8 family, the smallest at 135.9 ci.
| Displacement | 135.9 ci / 2.2 L |
|---|---|
| Bore | 2.6" |
| Stroke | 3.2" |
| Cylinders | 8 |
| Compression ratio | 6.6:1 * |
| Bore/stroke ratio | 0.813 |
* Compression ratio from a single source; not yet cross-verified.
| Fuel type | gas |
|---|
| Bore/stroke character | 0.813 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,200 ft/min — conservative for a street engine |
| Displacement per cylinder | 17.0 ci |
| Static compression | 6.6:1 — low by modern standards, generally happy on regular pump fuel |
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1 factory vehicle, 1937–1940. Each year opens that model's engine table.