Hartley Bolt 4 engine
From EverybodyWiki Bios & Wiki
| Hartley BOLT4[1] | |
|---|---|
| Overview | |
| Manufacturer | Hartley Enterprises |
| Layout | |
| Configuration | L4, 16-valve, (four-valves per cylinder), petrol engine |
| Displacement | 1.2–1.6 L (73.2–97.6 cu in) |
| Cylinder bore | 81–84 mm (3–3 in) |
| Piston stroke | 57–70 mm (2–3 in) |
| Block material | Cast aluminium alloy |
| Head material | Cast aluminium alloy |
| Valvetrain | 16v DOHC (quad-cam)[2] |
| Combustion | |
| Fuel type | Petrol |
| Oil system | Dry sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 240–400 hp (179–298 kW) |
| Dimensions | |
| Dry weight | 74 kg (163 lb) |
The Hartley Bolt 4 engine, stylized as BOLT4 is a 16-valve four-stroke naturally-aspirated DOHC I4 engines, designed, developed and built by John Hartley and Hartley Enterprises.[3][4]
References[edit]
- ↑ "Hartley BOLT4" (PDF). Retrieved 30 November 2022.
- ↑ Cite error: Invalid
<ref>tag; no text was provided for refs namedauto - ↑ "BOLT 4 Specifications". www.h1v8.com.
- ↑ "BOLT4". Race Engine Suppliers Directory.
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