WHAT ENGINE IS IN a MAZDA RX7 ?
Yes the RX-7 does only have a 1.3 liter engine, and no pistons. Yes thats right no pistons, so how do people get them to dyno 500 bhp or more with no pistons and insufficient displacement? Well Felix Wankel is responsible for that. The RX-7 sports a Wankel Rotary engine. The engine is comprised of 2 triangular shaped piston equivalents and each of the faces preform the role of intake, compression/combustion, exhausts. They spin in a circular motion and at any given time all six of the sides are preforming a different one of the 3 stages. Thus the engine is an equivalent of a v6 capable of 275 bhp stock with the turbo version. The code for the RX-7 engine is rb13 if you google that you can get a lot more information. The new RX-8 uses an updated version of the Wankel rotary renames the REMISIS it is also 1.3L but low horse power due to Mazda opting out of a Turbo version and Detuning the engine a bit. The main difference between the two engines is the relocation of the exhaust ports to