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Toyota 2T-C specs: 1.6L (97 ci) 4-cylinder, 85 x 70 mm (3.3465 x 2.7559 in) bore and stroke, 8.5:1 compression. Rated 75-102 hp, 1971–1979.
The Toyota 2T-C is oversquare — the 3.3465" bore exceeds the 2.7559" stroke by 21.4% — a layout that favors airflow and RPM over leverage at the crank. The 2.7559" stroke does not reach 4,000 ft/min of mean piston speed until about 8,700 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 4 cylinders displaces 24.3 ci (397 cc).
8.5:1 is low by modern standards and generally happy on regular pump fuel.
9 factory variants share these dimensions, rated from 75 to 102 hp across 1971–1979.
| Displacement | 97 ci / 1.6 L |
|---|---|
| Bore | 3.3465" |
| Stroke | 2.7559" |
| Cylinders | 4 |
| Configuration | I4 |
| Compression ratio | 8.5:1 * |
| Bore/stroke ratio | 1.214 |
* Compression ratio from a single source; not yet cross-verified.
| Fuel type | gas |
|---|---|
| Advertised HP | 75–102 hp |
| Years | 1971–1979 |
| Year | Version | HP @ rpm | Torque @ rpm | Comp. |
|---|---|---|---|---|
| 1973 | 2T-C net | 88 @ 6000 * | — | 8.5:1 * |
Factory specification sheet. * Not yet cross-verified.
| Bore/stroke character | 1.214 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 2,756 ft/min — conservative for a street engine |
| Displacement per cylinder | 24.3 ci |
| Static compression | 8.5:1 — low by modern standards, generally happy on regular pump fuel |
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 |
|---|---|---|
| 1971 | 102 hp | 2T-C |
| 1972 | 88 hp | 2T-C |
| 1973 | 88 hp | 2T-C |
| 1974 | 88 hp | 2T-C |
| 1975 | 75 hp | 2T-C |
| 1976 | 75 hp | 2T-C |
| 1977 | 75 hp | 2T-C |
| 1978 | 75 hp | 2T-C |
| 1979 | 75 hp | 2T-C |
1 factory vehicle, 1971–1979. Each year opens that model's engine table.