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The Renesis won International Engine of the Year and Best New Engine awards 2003 [26] and also holds the "2.5 to 3 liter" (note that the engine is designated as a 1.3–litre by Mazda) size award [27] for 2003 and 2004, where it is considered a 2.6 L engine, but only for the matter of giving awards.
The Mazda RX-8 utilizes a rotary Wankel engine, and the non-reciprocating piston engine uses a triangular rotor inside a near oval housing, producing from 141 kW (189 hp) and 164 lb⋅ft (222 N⋅m) of torque, to 177 kW (237 hp) and 159 lb⋅ft (216 N⋅m) of torque from launch.
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 .
After Mazda RX-8 production ceased in 2013, Mazda has carried on with testing prototypes to re-introduce the rotary as part of the "SkyActiv" lineup, dubbed SkyActiv R, displacing 1600 cc and featuring direct injection, laser ignition and forced induction. Wankel family – 1.0 L-2.0 L Wankel (1967–present) 10A – 1.0 L (1967–1973)
Mazda ended production of their rotary engine in 2012 after the engine failed to meet the more stringent Euro 5 emission standards, leaving no automotive company selling a rotary-powered road vehicle until 2023. [143] Mazda launched the MX-30 R-EV hybrid fitted with a Wankel engine range extender in March 2023. [136]
It is impossible to search for “RX-8” on Google and not see an article on the infamous reliability of the RX8’s 13b wankel engine. Mazda’s decision to add add a third oil injection port in each rotor housing is an acknowledgment of that fact, as well as their decision to extend the extended warranty program to every year of RX-8.
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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. One main ...