THE BEST SIDE OF MAZDA RX7 TURBO 2 ENGINE FOR SALE

Early 12A engines also characteristic a thermal reactor, similar to the 0866 10A, and some use an exhaust port insert to cut back exhaust sound. A lean-melt away version was launched in 1979 (in Japan) and 1980 (in the usa) which substituted a more-standard catalytic converter for this "afterburner". A major modification in the 12A architecture was