MAZDA 20B-REW TWIN TURBO COMPLETE ENGINE JDM 3 ROTOR COSMOS WIRING ECU

Description

MAZDA 20B-REW TWIN TURBO COMPLETE ENGINE JDM 3 ROTOR COSMOS WIRING ECU

The Mazda 20B-REW Twin Turbo Complete Engine JDM is a rare and powerful three-rotor rotary engine originally used in the Eunos Cosmo. It features a 1,962 cc displacement (654 cc per rotor) with sequential twin turbochargers, delivering approximately 276 hp at 6,500 rpm and 296 ft-lb of torque at 3,000 rpm. The engine is renowned for its smooth power delivery, compact size, and high-revving nature.

This complete JDM package typically includes the engine, wiring harness, and ECU, enabling easier installation and tuning. The wiring and ECU are specifically designed to manage the complex ignition and fuel injection systems of the 3-rotor setup, ensuring precise control over each rotor’s ignition and fuel delivery. The ECU is factory programmed to handle sequential twin-turbo operation, critical for optimal performance.

The 20B-REW engine measures approximately 672mm (L) x 549mm (W) x 520mm (H) and weighs around 350 kg dry with manifolds and accessories included. Its advanced fuel rail system supports high fuel flow for performance tuning.

This engine is highly sought after by rotary enthusiasts for its unique three-rotor design and twin-turbo setup, offering a blend of power, responsiveness, and Mazda’s legendary rotary engineering.

Summary:

3-rotor Wankel rotary engine, 1,962 cc

Sequential twin turbochargers

276 hp @ 6,500 rpm, 296 ft-lb torque @ 3,000 rpm

Complete with wiring harness and ECU for plug-and-play capability

Compact, lightweight, and highly tunable

Ideal for performance builds and rotary engine enthusiasts.