20B Rotary Engine for Sale
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20b rotary engine for sale Specs
| Specification | Mazda 20B |
|---|---|
| Engine type | Wankel rotary |
| Rotors | 3 |
| Displacement | 1,962 cc |
| Chambers | 6 combustion chambers |
| Induction | Twin-turbocharged |
| Fuel | Gasoline / Petrol |
| Configuration | 3-rotor |
| Cooling | Liquid cooled |
| Valvetrain | None — rotary design |
| Ignition | Electronic ignition |
| Compression ratio | Approximately 8.2:1, depending on version |
| Power | Approximately 280 PS (206 kW) in Eunos Cosmo production specification |
| Torque | Approximately 403 Nm |
| Firing order | Rotary-specific; not comparable to conventional piston engines |
| Production application | Mazda Eunos Cosmo |
| Engine family | Mazda 20B |
| Aspiration | Sequential twin turbo |
| Engine layout | Longitudinal |
| Oil system | Wet-sump rotary lubrication |
| Construction | Aluminum housings with rotary-specific internal components |
What Makes the 20B Special?
20b rotary engine is unusual because it has three rotors instead of the two rotors found in engines such as the 13B.
Its approximate 2.0-liter displacement is achieved through three rotary chambers, giving it a compact package with strong power potential.
The factory twin-turbocharged version was designed for the Mazda Eunos Cosmo, Mazda’s luxury performance coupe sold primarily in Japan.
Key characteristics
- 3-rotor configuration
- Twin turbochargers
- Extremely compact for its output
- High-revving character
- Smooth power delivery
- Strong aftermarket performance potential
- Highly desirable among rotary enthusiasts
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