The Mazda RX-3 (Japanese: マツダ RX-三), also called 'Mazda Savanna' (Japanese: マツダ サバンナ) was a compact sports coupe produced by Mazda Motor Corporation from 1971-1978 in Japan and was the predecessor to the Mazda RX-7. The Mazda RX-3 originally was equipped with the same 10 ampere rotary engine as the Mazda Familia Rotary Coupe (also known as the Mazda R100) but RX-3s sold in the US and Canada were equipped with the larger 12 ampere engine used in the Mazda RX-2. The 10 A engine's output was 105 hp (78 kW) and 100 lb·ft (135 Nm) of torque. 0-60 mph (0–97 km/h) time was 10.8 seconds. In 1972, a new process for coating the rotor housing was introduced, the Transplant Coating Process (TCP) using sprayed-on steel which was later coated in chrome to increase engine longevity. This was applied to a