The E family was an evolution of Mazda's xC design. It was released in 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.
E1
The tiny 1.1 L (1136 cc) E1 was found in the 1980-1982 Mazda Familia and Ford Laser. It used a 77 mm bore and 61 mm stroke. It was phased out in 1982, most likely due to poor performance.
E3
The larger E3 displaced 1.3 L (1296 cc) with a longer 69.6 mm stroke. It was found in the 1980-1985 Mazda Familia, Ford Laser and FWD 1981-1986 Mazda GLC.
E5
The 1.5 L (1490 cc) E5 pushed the stroke to an oversquare 80 mm. It was used in the 1980-1985 Mazda Familia, Ford Laser and FWD 1981-1986 Mazda GLC. In certain markets a twin-carburetted, high-compression version exists, dubbed the E5S.
E5F
The E5F was a fuel-injected variant of the E5, released in 1982 and available only in Japan.
E5T
The flagship turbocharged, fuel-injected and non-intercooled variant of the E5 was the E5T. Released in 1982 and available only in Japan, the E5T produced as much as 115 hp (86 kW) and 119 ft.lbf (162 Nm). 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 and Ford Laser S Turbo as well as the early Mazda Familia XG-R and Ford Laser TX3 Turbo models. Most of the technological features found in this engine were carried over to the later Mazda B6T.
E5T Carb
A strange carburettor turbocharged version of the E5 was the E5T Carb. It was exclusively available in Australia as part of the White Lightning Ford Laser limited-edition package released in June 1985. Unlike its more reliable fuel-injected counterpart, the E5T carb turbo setup was notoriously difficult to maintain and supposedly only 500 were made.
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