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Alfa Romeo 00536 specs: 96 ci 4-cylinder, 78 x 82 mm (3.0709 x 3.2283 in) bore and stroke. Built 1966–1967. Used in the Alfa Romeo Spider.
The Alfa Romeo 00536 is close to square: 3.0709" bore against 3.2283" stroke, within 4.9%, which splits the difference between a high-revving layout and a torque layout. The 3.2283" stroke does not reach 4,000 ft/min of mean piston speed until about 7,450 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 4 cylinders displaces 24.0 ci (393 cc).
2 factory variants share these dimensions across 1966–1967.
| Displacement | 96 ci |
|---|---|
| Bore | 3.0709" |
| Stroke | 3.2283" |
| Cylinders | 4 |
| Configuration | I4 |
| Bore/stroke ratio | 0.951 |
| Fuel type | gas |
|---|---|
| Years | 1966–1967 |
| Bore/stroke character | 0.951 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,228 ft/min — conservative for a street engine |
| Displacement per cylinder | 24.0 ci |
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 1966 | — | 00536 |
| 1967 | — | 00536 |
1 factory vehicle, 1966–1967. Each year opens that model's engine table.