slower than the 10A Series I down the quarter mile even with the 1,146 cc 12A'''s greater capacity and 15 percent more power. The Rotary Engine Anti Pollution System (REAPS) hurt torque. As a result, the Series 2 was slow off the mark but had a better top speed. The loss of torque plus a 44-kilo weight increase slowed the Series II to a 17.8 second quarter mile. Interior changes were minor and included a change from the km/h/mph speedometer to a 200 km/h speedometer (180 km/h for the 808), an exhaust overhead light, a 50 Amp ammeter (up from 30 Amps) plus design changes to the trims and seat belts. Notably the radio antenna was enhanced by a twin post (rather than single) design. The 1974 model kept the three spoke plastic wood grain steering wheel; the 1975 received a fake leather wheel with slots cut into its three spokes. The new 12A'' single distributor engine output was and . 0–60 mph (0–97 km/h) time was 10.8 seconds, and the car ran a 17.7 second quarter-mile (400 m). Federalized cars (for the United States) produce at 6000 rpm and at 4000 rpm. The Japanese market Savanna was updated visually in June 1973, though drive lines weren't updated until later in the year. Mazda put the new 12A "AP" single-distributor engine in the RX-3 in late 1973. It was refreshed again in 1975 with a "REAPS-5" engine. In 1976 the Series III Savanna / RX-3 was released in Japan and the U.S., but exports to Australia and New Zealand ceased. The nose cone wore a new lower spoiler-type lip, and the rotor shaped badge was replaced with a new Mazda corporate font badge on the grille, offset to the left of centre. Overall these and other detail changes made the cars much plainer, and certainly lost the model some of its charm. In the U.S. the 1976 rear lights were hexagons. The 1977 rear lights were rectangular. An optional RX-3 'special appearance package' called the RX-3sp was sold in 1977 to advertise the new 75,000 mile engine guarantee for rotary engines. The 1978 RX-3's were only sold as 'off road' (race) versions. The Savanna and RX-3 production was phased out in 1978 to make room for the new Mazda RX-7. Of all the pre-RX-7 rotary vehicles Mazda built (930,000 in total), the RX-3 was by far the most popular. Of