Toyota K engine
Reciprocating internal combustion engine / From Wikipedia, the free encyclopedia
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The Toyota K series is an inline-four engine that was produced from 1966 through 2007. It is a two-valve pushrod engine design. It was originally built from the Toyota Kamigo plant in Toyota City factory in Japan.
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Toyota K engine | |
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Overview | |
Manufacturer | Toyota |
Production | 1966–2007 |
Layout | |
Configuration | Naturally aspirated straight-four |
Cylinder block material | Cast iron |
Cylinder head material | Aluminium alloy |
Valvetrain | OHV 2 valves per cylinder |
Valvetrain drive system | Timing chain |
Combustion | |
Fuel system | Carburettor Multi-port fuel injection |
Fuel type | Petrol |
Oil system | Wet sump |
Cooling system | Water-cooled |
Output | |
Power output | 45–83 PS (33–61 kW; 44–82 hp) |
Torque output | 66–147 N⋅m (7–15 kg⋅m; 49–108 lb⋅ft) |
Chronology | |
Successor | Toyota E engine (up to 1.3 L models) |
All K series are non-crossflow engines – the inlet and exhaust manifolds are on the same side. They have cast iron blocks and aluminium alloy heads, with a crankshaft supported by five main bearings. K series motors have both hydraulic tappet or hydraulic valve lifters, solid lifters and 1.5 ratio rockers with an adjustment thread for tappet clearance. 7K engines were released with only the hydraulic valve lifters from factory, whereas 4K and 5K engines were made with both hydraulic and solid lifters (depending on year and which model vehicle.)