The new technology significantly improved power and torque of naturally aspirated 13B engines. The output of 13B-RESI is 135 hp (101 kW) and 130 lb-ft (180 Nm). The second generation RX-7 came with 13B-DEI engine. This non-turbo engine was equipped with the 6PI, DEI systems, and four-injector electronic fuel injection.

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.

Mar 10, 2020 · Long journey filled with shop horror stories eventually leads to one of the finest Mazda RX-7 builds on the East Coast featuring bridgeported rotary, BorgWarner turbo, Ohlins suspension and...

Jul 10, 2017 · Naturally Aspirated Performance Forum Discussion of naturally-aspirated rotary performance. No Power Adders, only pure rotary power! From the "12A" to the "RENESIS" and beyond. ( 1 2 3 4 5 ... Last Page) 13b Bridgeport with 48mm Weber IDA going rich between 5000-6500 rpm why? Peak Power From Large Streetport 4 Port NA?

For the turbocharged versions of the FC3S RX-7, Mazda introduced the 13B-T, which used lower-compression rotors, as well as the four-injector system seen in the DEI. These motors were the first to break the 200hp mark thanks to a new twin-scroll turbo and split intake manifold system.

Nov 14, 2021 · The third-generation RX-7 introduced a completely redesigned 13B engine, the REW. It was supercharged by twin sequential turbochargers and got two big Hitachi HT 12 turbos for more power to pull off great feats of speed on any driving demands.

Feb 23, 2023 · The 13B engine is a Mazda Wankel engine produced over 30 years and featured in several Mazda models, including the RX-7. The 13B engine has a two-rotor design with a total displacement of 1.3 liters and looks like a lengthened version of its predecessor, the 12A.

Oct 17, 2023 · As the later 9.0:1 compression ratio 13B-T engines found in the Series 5 FC3S RX-7 ‘GTX’ model hit the market in 1989, the mind-blowing power figures further increased – 200 hp alongside 195 lb/ft torque.

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.

The 13B-REW intake manifold is a "Dynamic Pressure Intake System" which eliminated the surge plenum tank and has opposed-facing secondary intake runners. This new design enhances intake flow by taking advantage of the strong pressure waves inherant in rotary engines.