MAZDA RX-7 ENGINE OPTIONS

The 12B was an improved version with the 12A and was quietly introduced for that 1974 Mazda RX-two and RX-three. It had increased trustworthiness from your prior series in addition to utilized one distributor for The very first time: the sooner 12A and 10A were being each twin distributor engines.Spark plug holes threads are cleaned and retapped. O