Nissan KR engine
The KR is a family of straight-4 all-aluminium automobile engines with a variable compression ratio and variable valve timing developed by Nissan.
| Nissan KR engine | |
|---|---|
| Overview | |
| Manufacturer | Nissan Motors |
| Production | 2018- |
| Layout | |
| Configuration | Inline 4 |
| Displacement | 1,997 cc (2.0 L; 121.9 in3) |
| Cylinder bore | 84 mm (3.31 in) (permanently) |
| Piston stroke | 90.1 mm (3.55 in) (8:1 compression) 88.9 mm (3.50 in) (14:1 compression) |
| Block material | Aluminum alloy |
| Head material | Aluminum alloy |
| Valvetrain | DOHC 4 valves x cyl. with VVT |
| Compression ratio | 8:1~14:1 |
| Combustion | |
| Turbocharger | Yes |
| Fuel system | Direct injection(GDI) & Multi-Point Injection |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 248–268 bhp (251–272 PS; 185–200 kW) at 5,600 rpm |
| Torque output | 273–280 lb⋅ft (370–380 N⋅m) at 1,600 – 4,800 rpm |
| Chronology | |
| Predecessor | Nissan VQ35 Nissan QR25 |
KR20DDET[1]
The KR20DDET was announced at the 2016 Paris Motor Show as the VC Turbo which had Nissan's new variable compression technology. The engine was introduced to Nissan's production cars in 2019 in the Infiniti QX50 and the Nissan Altima replacing the previous V6 options.
gollark: UPDATE: it works now since apparently I can still `readAll` and `write` strings in `wb`/`rb` mode for some reason.
gollark: I'm having some bizarre issues writing some binary data to files. I'll try and put together a bit of code to demonstrate this with, but basically it seems like `\13` bytes (carriage return) are being replaced with `\10` bytes (line feed). My code is using `"w"` and `"r"` modes instead of binary mode because according to the wiki binary mode doesn't let me use `readAll` and write a whole string; do I need binary mode and is there a way around reading/writing individual bytes for this?
gollark: Wait, an automatic nether portal? Won't that run out of flint and steel or something eventually?
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gollark: Pocket computers, turtles or neural interfaces presumably.
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