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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.
The car was designed to incorporate many style elements of the new Mazda RX-7. The chassis was a honeycomb aluminium monocoque. The GTP sports car was powered by a Mazda R26B Wankel engine. Two cars were built for Mazda Motorsports. [2] The car encountered several problems in the IMSA GT Championship.
The RX-7 was a direct replacement for the RX-3 (both were sold in Japan as the Savanna) and subsequently replaced all other Mazda rotary cars with the exception of the Cosmo. The original RX-7 was a true sports coupé design, as opposed to a sports car like the Triumph TR6 or a sedan with sporting intentions.
The most prominent 4-rotor engine from Mazda, the R26B, was used only in various Mazda-built sports prototype cars including the 787B and the RX-792P in replacement of the older 13J. In 1991 the R26B-powered Mazda 787B became the first Japanese car and the first car with anything other than a reciprocating piston engine to win the 24 Hours of ...
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)
Third place was taken by the Mazda RX-7 of Allan Moffat and Gregg Hansford. Moffat privately disputed the Harvey/Parsons Commodore finishing second as it had spent almost 3 laps in the pits mid-race with a gearbox problem, but saw little value in protesting as it would not win him the race so decided to settle for third.
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
Bailey again teamed with McLeod at the 1984 Castrol 500 at Sandown in Melbourne, but the RX-7 was retired after just 57 laps. The 1984 James Hardie 1000 wasn't much better for the pair, despite reportedly having the most powerful RX-7 in the field. After a troubled practice, the car was retired with overheating problems on just lap 39.