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| Mazda F engine | |
|---|---|
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| Overview | |
| Manufacturer | Mazda |
| Production | 1977–2002 |
| Layout | |
| Configuration | Inline-4 |
| Displacement | 1.8 L (1,769 cc) 1.8 L (1,789 cc) 1.8 L (1,839 cc) 2.0 L (1,970 cc) 2.0 L (1,991 cc) 2.0 L (1,998 cc) 2.2 L (2,184 cc) |
| Cylinder bore | 80 mm (3.15 in) 81 mm (3.19 in) 83 mm (3.27 in) 86 mm (3.39 in) |
| Piston stroke | 77 mm (3.03 in) 85 mm (3.35 in) 86 mm (3.39 in) 88 mm (3.46 in) 92 mm (3.62 in) 98 mm (3.86 in) |
| Cylinder block material | Cast iron |
| Cylinder head material | Alloy |
| Valvetrain | SOHC 2 & 3 valves x cyl. DOHC 4 valves x cyl. |
| Compression ratio | 7.8:1, 8.6:1, 9.1:1, 9.2:1, 9.7:1, 10.0:1 |
| Combustion | |
| Turbocharger | IHI RHB5 VJ11 with air-to-air intercooler (some versions) |
| Fuel system | Carburetor, Fuel injection |
| Fuel type | Gasoline |
| Cooling system | Water cooled |
| Output | |
| Power output | 73–170 PS (54–125 kW; 72–168 hp) |
| Torque output | 89–190 lb⋅ft (121–258 N⋅m) |
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 Miyoshi, Hiroshima, Japan.