Mazda E engine
The iron-block, alloy head E family was an evolution of Mazda's xC design. It was released in June 1980 with the introduction of the first front-wheel drive Mazda Familias and Ford Lasers. Some later variants of the E5-powered Mazda Familia and Ford Laser in Japan incorporated a full-time 4WD drivetrain. All E engines were chain-driven, 8-valve SOHC. Notable features include siamesed cylinders, aluminium rocker arms and pistons, thin block walls, and single valve springs - all in the interest of reducing weight.
E1
The E1 was found in the 1980–1985 Mazda Familia and Ford Laser. It used a bore x stroke with 9.2:1 compression ratio and produced and . It continued to be used until 1987 for the next generation 323 in some markets. The E1 was strictly intended for export markets where taxes based on engine size made this a popular alternative. It was never available in Japan, nor in North America or Australia.E3
The larger E3 displaces with a wider bore and the same 9.2:1 compression ratio. It produced and in Japan or and for export market. It was found in the 1980–1985 Mazda Familia, Ford Laser and FWD 1981–1986 Mazda GLC. It was used until August 1994 for the Mazda Familia Van/Wagon and continued until around 1997 for Ford Laser taxi fleets in Indonesia.E5
The E5 pushed the stroke to an undersquare with 9.0:1 compression ratio. It was used in the 1980–1985 Mazda Familia, Ford Laser and FWD 1981–1986 Mazda GLC.This engine produced and in Japan and and for export market.
E5F
The E5F was a fuel-injected variant of the E5, released in 1982 and available only in Japan. It produced and .E5S
In certain markets a twin-carburetted, high-compression version exists, dubbed the E5S. Available for Mazda 323 GT and Ford Laser Sport. For 1982 and 1983, this engine was equipped with two Hitachi DCT306W-L1/R1 carburettors, it produced and . Late in 1983, new two Hitachi DCS306-31 carburettors appeared and produced and .E5T
The flagship turbocharged, lower-compression pistons, fuel-injected and non-intercooled variant of the E5 was the E5T. Released in 1983 and available only in Japan, the E5T utilized an IHI-supplied VJ1 turbocharger running approximately to produce as much as and . Other notable advancements included an integrated knock sensor and multi-point fuel injection as standard.This was Mazda's first production 4-cylinder turbo engine and was found in the top-of-the-line 1982–1985 Mazda Familia XGi-R Turbo and Ford Laser S Turbo as well as the early Mazda Familia XG Turbo, XG-R Turbo and Ford Laser TX3 Turbo models. Most of the technological features found in this engine were carried over to the later Mazda B6T.