ROTARY ENGINE RX7 THINGS TO KNOW BEFORE YOU BUY

Early 12A engines also function a thermal reactor, much like the 0866 10A, and several use an exhaust port insert to lower exhaust sounds. A lean-burn off Variation was launched in 1979 (in Japan) and 1980 (in the united states) which substituted a far more-common catalytic converter for this "afterburner". An important modification on the 12A arch