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Mazda RX7 FD tuned in Tokyo. The Mazda RX7 (FD) is another sports car that became legendary with the movie “Fast and the Furious”. Since the Mazda RX7 (FD) is propelled by a rotary engine it was kind of unique on the market. The Mazda RX7 was build until 2002 and provides 280 hp to the rear wheels.The car has a huge wing, after market bumpers, sills and a vent in one of the popup headlights. Unfortunately we don’t know how much more the engine is tuned in this car.
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The third generation RX-7, FD (chassis code FD3S for Japan and JM1FD for the North America), featured an updated body design. The 13B-REW was the first-ever mass-produced sequential twin-turbocharger system to be exported from Japan,[15] boosting power to 255 PS (188 kW; 252 hp) in 1993 and finally 280 PS (206 kW; 276 hp) by the time production ended in Japan in 2002.
The chief designer was Yoichi Sato (佐藤 洋一, Satō Yōichi).[8] Another key designer was Wu-huang Chin (秦無荒), a Taiwanese automotive artist who also worked on the Mazda MX-5 Miata.[16]
In Japan, sales were affected by this series’ non-compliance with Japanese dimension regulations and Japanese buyers paid annual taxes for the car’s non-compliant width. As the RX-7 was now considered an upper-level luxury sports car due to the increased width dimensions, Mazda also offered two smaller offerings, the Eunos Roadster, and the Eunos Presso hatchback.
The sequential twin turbocharging system, introduced in 1992, was extremely complex and was developed with the aid of Hitachi. It was previously used on the exclusive-to-Japan Cosmo JC Series. The system used two turbochargers, one to provide 10 psi (0.69 bar) of boost from 1,800 rpm. The second turbocharger activated in the upper half of the rpm range, during full throttle acceleration — at 4,000 rpm to maintain 10 psi (0.69 bar) until redline.[17] The changeover process occurred at 4,500 rpm, with a momentary dip in pressure to 8 psi (0.55 bar),[18] and provided semi-linear acceleration from a wide torque curve throughout the entire rev range under normal operation.
Under high speed driving conditions, the changeover process produced a significant increase in power output and forced technical drivers to adjust their driving style to anticipate and mitigate any over-steer during cornering.[citation needed] The standard turbo control system used 4 control solenoids, 4 actuators, both a vacuum and pressure chamber, and several feet of preformed vacuum/pressure hoses, all of which were prone to failure in part due to complexity and the inherent high temperatures of the rotary engine.[18]
A special high-performance version of the RX-7 was introduced in Australia in 1995, named the RX-7 SP. This model was developed to achieve homologation for racing in the Australian GT Production Car Series and the Eastern Creek 12 Hour production car race.[19] An initial run of 25 cars were made, and later an extra 10 were built by Mazda due to demand.[20] The RX-7 SP was rated at 277 PS (204 kW; 273 hp) and 357 N⋅m (263 lb⋅ft) of torque, a substantial increase over the standard model. Other changes included a race-developed carbon fibre nose cone and rear spoiler, a carbon fibre 120 L fuel tank (as opposed to the 76 L tank in the standard car), a 4.3:1 final drive ratio, 17-inch wheels, larger brake rotors and calipers. A “three times more efficient” intercooler, a new exhaust, and a modified ECU were also included.[20] Weight was reduced significantly with the aid of further carbon fibre usage including lightweight vented bonnet and Recaro seats to reduce weight to 1,218 kg (from 1,250 kg) making this model road-going race car that matched the performance of the rival Porsche Carrera RS Club Sport for the final year Mazda officially entered.[19] The formula paid off when the RX-7 SP won the 1995 Eastern Creek 12 Hour, giving Mazda the winning 12 hour trophy for a fourth straight year.[19] The winning car also gained a podium finish at the international tarmac rally Targa Tasmania months later.
