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Toyota 7M-GE specs: 3.0L (180.3 ci) 6-cylinder, 83 x 91 mm (3.2677 x 3.5827 in) bore and stroke. Rated 200 hp, 1986–1992. Used in the Toyota Supra. DOHC.
The Toyota 7M-GE is undersquare — the 3.5827" stroke exceeds the 3.2677" bore by 8.8% — a layout that trades peak RPM for leverage and torque low in the range. The 3.5827" stroke puts mean piston speed at 4,000 ft/min around 6,700 RPM, which is where a production bottom end is generally considered at its limit. Each of the 6 cylinders displaces 30.1 ci (492 cc).
It is one of 6 engines in the M family, the largest at 180.3 ci. 7 factory variants share these dimensions, rated at 200 hp across 1986–1992.
| Displacement | 180.3 ci / 3 L |
|---|---|
| Bore | 3.2677" |
| Stroke | 3.5827" |
| Cylinders | 6 |
| Configuration | I6 |
| Bore/stroke ratio | 0.912 |
| Valvetrain | DOHC |
|---|---|
| Fuel type | gas |
| Advertised HP | 200 hp |
| Years | 1986–1992 |
| Bore/stroke character | 0.912 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,583 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 30.1 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 |
|---|---|---|
| 1986 | 200 hp | 7M-GE |
| 1987 | 200 hp | 7M-GE |
| 1988 | 200 hp | 7M-GE |
| 1989 | 200 hp | 7M-GE |
| 1990 | 200 hp | 7M-GE |
| 1991 | 200 hp | 7M-GE |
| 1992 | 200 hp | 7M-GE |