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The Mazda RX-7 is a front-engine, rear-wheel-drive, rotary engine-powered sports car that was manufactured and marketed by Mazda from 1978 until 2002 across three generations, all of which made use of a compact, lightweight Wankel rotary engine.
It was then used from 1985 to 1992 in the RX-7 FC, in Naturally Aspirated or Turbocharged options, then once again in the RX-7 FD in a twin turbocharged form from 1992. It disappeared from the US market again in 1995, when the last US-spec RX-7s were sold. The engine was continually used in Japan from 1972's Mazda Luce/RX-4 through 2002's RX-7.
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.
Mazda claimed to have solved the apex seal problem, operating test engines at high speed for 300 hours without failure. [11] After years of development, Mazda's first rotary engine car was the 1967 Cosmo 110S. The company followed with several Wankel ("rotary" in the company's terminology) vehicles, including a bus and a pickup truck. Customers ...
In Japan, the manufacturer Mazda licensed the engine and successfully solved various problems relating to chatter marks. [9] The engine was used successfully by Mazda in several generations of their RX-series of coupés and sedans, including the Mazda Cosmo (1967), R100 (1968), the RX-7 (1978–2002), and the RX-8 (2003–2012).
The Mazda GTP is an IMSA GTP race car that was built by Pierre Honegger in 1981. Based on a Mazda RX-7, the car initially competed in the GTX category as the Mazda RX-7 GTP, before it was rebuilt for the IMSA GTP category in 1983. Throughout its career, the car used a Mazda 13B Wankel rotary engine, similar to
It was exported as the Mazda RX-3 in its first generation from 1971 to 1978, and as the Mazda RX-7 in its subsequent generations. For the original 1971 version of Savanna, Mazda fitted its 10A rotary engine to the Mazda Grand Familia to create a separately marketed product sold in coupé, sedan, and station wagon guises. The engine was upgraded ...
Mazda RX-7 / Mazda Savanna RX-7: 1981–1985: The FB chassis was a new name for the SA2 used in the 1979–1980 RX-7 VIN. FC Mazda RX-7 / Mazda Savanna RX-7: 1986–1991: Also served as the basis for the Mazda MX-5's NA's platform. FD Mazda RX-7 / ɛ̃fini RX-7: 1991–2002: SE Mazda RX-8 [2] 2003–2011