Nissan KA engine
Reciprocating internal combustion engine / From Wikipedia, the free encyclopedia
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The KA engines were a series of four-stroke inline-four gasoline piston engines manufactured by Nissan, which were offered in 2.0 and 2.4 L. The engines blocks were made of cast-iron, while the cylinder heads were made of aluminum.
This article relies largely or entirely on a single source. (November 2018) |
Quick Facts Overview, Manufacturer ...
Nissan KA engine | |
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Overview | |
Manufacturer | Nissan (Nissan Machinery) |
Production | 1988–2021 |
Layout | |
Configuration | Naturally aspirated Inline-4 |
Displacement |
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Cylinder bore |
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Piston stroke |
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Cylinder block material | Cast iron |
Cylinder head material | Aluminum |
Valvetrain | SOHC 2- or 3 valves x cyl. (1988-1997) DOHC 4 valves x cyl. (1991-2016) |
Compression ratio | 8.6:1, 9.1:1, 9.2:1, 9.5:1 |
Combustion | |
Fuel system | Sequential electronic FI |
Management | Hitachi |
Fuel type | Gasoline |
Cooling system | Water-cooled |
Output | |
Power output | 134 hp (100 kW) (1988-1996) 155 hp (116 kW) (1996-2004) 143 hp (107 kW) (1998-2004 Frontier & Xterra) |
Torque output | 152 lb⋅ft (206 N⋅m) at 4400 rpm (1988-1996) 160 lb⋅ft (217 N⋅m) at 4400 rpm (1996-2004) |
Chronology | |
Predecessor | Nissan Z engine |
Successor | Nissan QR engine |
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Despite their large capacity, this motor was not equipped with balance shafts.
When used in the passenger cars both versions of the KA24 used a crankshaft girdle, as opposed to individual main bearing caps. In the Nissan Hardbody and Frontier applications a crank girdle was not used.