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The Renesis engine – also 13B-MSP (Multi-Side Port) – which first appeared in production in the 2004 model-year Mazda RX-8, is an evolution of the previous 13B. It was designed to reduce exhaust emission and improve fuel economy , which were two of the most recurrent drawbacks of Wankel rotary engines.
Although Mazda is well known for their Wankel "rotary" engines, the company has been manufacturing piston engines since the earliest years of the Toyo Kogyo company. Early on, they produced overhead camshaft, aluminum blocks, and an innovative block containing both the engine and transmission in one unit.
A side-port exhaust, as is used in the Mazda Renesis, avoids port overlap, one of the causes of this, because the unburned mixture cannot escape. The Mazda 26B avoided this problem through the use of a three spark-plug ignition system and obtained a complete conversion of the aspirated mixture. In the 26B, the upper late trailing spark plug ...
The Mazda RX-8 Hydrogen RE is a 2003 bi-fuel version of the RX-8 sports car, in which the twin-rotor wankel rotary engine is configured to run on either hydrogen or gasoline. This is the fifth Mazda vehicle to be fitted with a hydrogen wankel rotary engine .
Download QR code; Print/export Download as PDF; ... Appearance. move to sidebar hide. Help. Pages in category "Engine problems" The following 13 pages are in this ...
Download QR code; Print/export ... move to sidebar hide. Renesis may refer to: Renesis (engine), an engine used in the 2004-2011 Mazda RX-8; Renesis Player, a SVG 1.2 ...
The Renesis in the Mazda RX-8 has the highest redline of a production wankel rotary-engine road car rated at 9000 rpm. In contrast, some older OHV (pushrod) engines had redlines as low as 4800 rpm, mostly due to the engines being designed and built for low-end power and economy during the late 1960s all the way to the early 1990s.
The Star Mazda Pro, is an open-wheel formula racing car, designed, developed and built by Star Race Cars, for the North American Pro Mazda Championship spec-series, between 2004 and 2017. They were powered by 240 hp (180 kW) "Renesis" wankel rotary engine .