Mazda F engine

The F engine family from Mazda is a mid-sized inline-four piston engine with iron block, alloy head and belt-driven SOHC and DOHC configurations. Introduced in 1983 as the 1.6 litre F6, this engine was found in the Mazda B-Series truck and Mazda G platform models such as Mazda 626/Capella as well as many other models internationally including Mazda Bongo and Ford Freda clone, Mazda B-series based Ford Courier, Mazda 929 HC and the GD platform-based Ford Probe

There were four basic head types within the F range, the diesel SOHC 8-valve (R-series), the petrol SOHC 8-valve, petrol SOHC 12-valve, and the petrol DOHC 16-valve. These heads came attached to multiple variations of the different blocks and strokes. Only the petrol 8-valve and 12-valve shared the same gasket pattern. It was built at the Miyoshi Plant in Hiroshima, Japan.

These engines are only the predecessors to the F-series engines, in no other way related. They were fitted to rear-wheel drive models in a longitudinal arrangement. This is in contrast to the successor engines that were designed for transverse front-wheel drive applications as had become the trend in the late-1970s and early-1980s.

The VC is a 1.8 L (1,769 cc) overhead camshaft inline-four, with an 80.0 mm bore and an 88.0 mm stroke (3.15 in × 3.46 in). It was all new in 1975 and has an alloy eight-valve head on an iron block. Output varied considerably depending on market and installation, in a 1981 UK-market B1800 it is 84 hp (63 kW) DIN at 5000 rpm and 13.7 kg·m (134 N·m; 99 lb·ft) at 2500 rpm.

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