It was offered in both 13B-RE and 20B-REW form. It displaced 1,962 cc (119.7 cu in) per set of three 654 cc (39.9 cu in) chambers (counting only one chamber per rotor) and used 0.7 bar (10 psi; 70 kPa) of boost pressure from twin sequential turbochargers to produce a claimed 280 PS (206 kW) and 407 N⋅m (300 lbf⋅ft).

Mar 28, 2021 · The 20B race engine thrives at high rpm, but the 20B-REW relies on the turbochargers for impressive power. When it comes to upping the power on the 20B-REW, you’ll soon reach the limits of the stock turbos at around 1 bar of boost with approximately 8,000 rpm and 300 hp with an aftermarket ECU.

Apr 22, 2022 · Being the only production 3-rotor motor ever made by Mazda, the 20B engine is commonly regarded as the “big block” of the rotary world. It was the first sequential twin-turbocharged to ever come into production, let alone being a 3 rotor Wankle — the 20B truly is Mazda’s crown jewel.

Mazda 20B-REW three rotor engine. Two engines were available, and both were equipped with twin sequential turbochargers; the two-rotor 13B-RE and the three-rotor 20B-REW. The triple rotor 20B had 2 litres (1962 cc) of displacement, making it …

Jan 14, 2022 · The Mazda 20B race engine thrives at high rpm, but turbochargers power the 20B-REW. When it comes to increasing power on the 20B-REW, you’ll quickly meet the limits of the standard turbos at roughly 14 psi of boost at around 8,000 rpm and 300 horsepower with an aftermarket ECU.

Feb 22, 2023 · The 20B-REW in the Eunos Cosmo is referred to as the production 20B. In this guise, it’s remarkably powerful, putting out 300 horsepower and 403 Nm of torque thanks to the combination of 2.0-liters and sequential turbocharging at just 0.7 bar of boost.

Jul 5, 2003 · NOTE: 20B-REW is the actual correct designation for this engine. This engine is currently (1997) sold by both Mazdaspeed in Japan and Mazda Motorsports in the USA, both of which are officially part of Mazda. At first I presumed this was a …

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Jul 16, 2002 · NOTE: 20B-REW is the actual correct designation for this engine. This engine is currently (1997) sold by both Mazdaspeed in Japan and Mazda Motorsports in the USA, both of which are officially part of Mazda. At first I presumed this was a …

Jan 9, 2010 · Although the Cosmo 20B only uses two ignition signals, you need to tell the emanage to use four inputs and outputs (So long as you have followed the above wiring diagram). For most vehciles, this automatically completes itself once you have selected the engine type... not so for the 20B.