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MAZDA RX7 FC3S SOUND COMPILATION

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The Series 4 (1985–1988) was available with a naturally aspirated, fuel-injected 13B-VDEI producing 146 hp (108 kW) in North American spec. An optional turbocharged model, (1985–1988) known as the Turbo II in the American market, had 182 hp / 185 PS (136 kW). The Series 5 (1989–1992) featured updated styling and better engine management, as well as lighter rotors and a higher compression ratio, 9.7:1 for the naturally aspirated model, and 9.0:1 for the turbo model. The naturally aspirated Series 5 FC made 160 hp (119 kW), while the Series 5 Turbo made 200 hp / 205 PS (151 kW).

The rotary engine had financial advantages to Japanese consumers in that the engine displacement remained below 1.5 litres, a significant determination when paying the Japanese annual road tax which kept the obligation affordable to most buyers, while having more power than the traditional inline engines. The RX-7 in this regard to Japanese owners offered comparable performance to other Japanese performance coupes, while being of lighter weight, with a balanced chassis, and lively performance, without the extra expense of the road tax obligation.

The second generation RX-7 ("FC", VIN begins JM1FC3 or JMZFC1), still known as the Mazda Savanna RX-7 in Japan, featured a complete restyling reminiscent of the Porsche 924. Mazda's stylists, led by Chief Project Engineer Akio Uchiyama, focused on the Porsche 924 for their inspiration in designing the FC because the new car was being styled primarily for the American market, where the majority of first generation RX-7's had been sold.

This strategy was chosen after Uchiyama and others on the design team spent time in the United States studying owners of earlier RX-7's and other sports cars popular in the American market. The Porsche 944 was selling particularly well at the time and provided clues as to what sports-car enthusiasts might find compelling in future RX-7 styling and equipment.

While the SA22/FB was a purer sports car, the FC tended toward the softer sport-tourer trends of its day, sharing some similarities with the HB series Cosmo. Handling was much improved, with less of the oversteer tendencies of the FB. The rear end design was vastly improved from the FB's live rear axle to a more modern, Independent Rear Suspension (rear axle). Steering was more precise, with rack and pinion steering replacing the old recirculating ball steering of the FB. Disc brakes also became standard, with some models (S4: Sport, GXL, GTU, Turbo II, Convertible; S5: GXL, GTUs, Turbo, Convertible) offering four-piston front brakes. The rear seats were optional in some models of the FC RX-7, but are not commonly found in the American Market. Mazda also introduced Dynamic Tracking Suspension System (DTSS) in the 2nd generation RX-7. The revised independent rear suspension incorporated special toe control hubs which were capable of introducing a limited degree of passive rear steering under cornering loads. The DTSS worked by allowing a slight amount of toe-out under normal driving conditions but induced slight toe-in under heavier cornering loads at around 0.5 G's or more; toe-out in the rear allows for a more responsive rotation of the rear, but toe-in allowed for a more stable rear under heavier cornering. Mazda also introduced Auto Adjusting Suspension (AAS) in the 2nd generation RX-7. The system changed damping characteristics according to the road and driving conditions. The system compensated for camber changes and provided anti-dive and anti-squat effects. The Turbo 2 uses a turbo charger with a twin scroll design. The smaller primary chamber is engineered to cancel the turbo lag at low engine speeds. At higher revolutions the secondary chamber is opened, pumping out 33% more power than the naturally aspirated counterpart. The Turbo 2 also has an air-to-air intercooler which has a dedicated intake on the hood. The intake is slightly offset toward the left side of the hood.

Видео MAZDA RX7 FC3S SOUND COMPILATION канала Hayai DemoN
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8 февраля 2017 г. 2:19:04
00:07:06
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