THE BEST SIDE OF MAZDA RX7 TURBO 2 ENGINE FOR SALE

Early 12A engines also feature a thermal reactor, similar to the 0866 10A, and some use an exhaust port insert to lessen exhaust sound. A lean-burn up Edition was launched in 1979 (in Japan) and 1980 (in America) which substituted a more-regular catalytic converter for this "afterburner". An important modification in the 12A architecture was the 6P