A sequentially-turbocharged version of the 13B, the 13B-REW, became famous for its high output and low weight. The turbos were operated sequentially, with only the primary providing boost until 4,500 rpm, and the secondary additionally coming online afterwards.

The 13B-REW engine was a completely redesigned 13B engine, launched in late 1991 in the third-generation RX-7. The REW indicates that it is a rotary engine supercharged by twin sequential turbochargers.

Moving on to forced induction, the 13B-RE from the Cosmo and 13B-REW from the FD3S RX-7 are going to be the best pick. These motors will make up to around 400hp at the wheels with the right supporting upgrades — ECU, fuel, intake, and exhaust.

Feb 23, 2023 · The 13B-RE is often remarked to feature some of the biggest stock intake ports offered on the production 13B engines. It also sports an intake manifold with bigger runners. Though the 13B-RE is often dismissed for its inability to sustain high RPM operations and restrictive exhaust sleeves.

Nov 14, 2021 · What are Mazda 13B Rotary Engines? The Mazda 13B engine is like the longer version of the Mazda 12A Rotary engine. However, they differ in the total displacement since the total displacement of the two chambers is 1308 cc. The 13B engine is Mazda’s Wankel Rotary.

Oct 17, 2023 · 13B-RE. The 13B-RE engine never made its way into the RX-7’s engine bay in factory form, and this was reserved entirely for the top-of-the-range Series JC Eunos Cosmo model. Although the Eunos Cosmo was known for featuring the 20B-REW engine, they also offered it with an optional 13B-RE variant, which would eventually outsell its 20B-REW sibling.

Feb 28, 2023 · The 13B-REW is without a doubt the most legendary of 13B engines, being housed in the FD RX-7. Initially, the sequential twin-turbo engine put out 255 hp, and this increased to 280 hp over the 10 year lifespan of the engine.

Jun 13, 2022 · 13b-REW is the twin turbo version that was available in the FD RX-7. I'm not sure which model of RX-7 you have but chances are you already have a 13b though it would not be an REW unless you have an FD. It’s an fc! Will the Rew hold more power or is it just more reliable?

JDM Mazda RX-7 FD 13B-REW Engine For Sale.The ergonomic and robust 13B-REW motor is the twin-turbo version of the 13B engine designed to power the third-generation RX-7 launched in late 1991. Each rotor on 13B-REW has a single combustion chamber volume of 654cc.