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  2. Engine displacement - Wikipedia

    en.wikipedia.org/wiki/Engine_displacement

    Engine displacement is the measure of the cylinder volume swept by all of the pistons of a piston engine, excluding the combustion chambers. [1] It is commonly used as an expression of an engine's size, and by extension as an indicator of the power (through mean effective pressure and rotational speed ) an engine might be capable of producing ...

  3. Dead centre (engineering) - Wikipedia

    en.wikipedia.org/wiki/Dead_centre_(engineering)

    In a multi-cylinder engine, pistons may reach top dead centre simultaneously or at different times depending on the engine configuration. For example: In the V-twin configuration, the two pistons reach TDC at different times, equal to the angular displacement between the cylinders.

  4. Stroke ratio - Wikipedia

    en.wikipedia.org/wiki/Stroke_ratio

    1995 – The BMW M52 engine with a displacement of 2793 cubic centimeters is an example of a perfect square engine with an 84.0 mm × 84.0 mm (3.31 in × 3.31 in) bore and stroke. 1996 – Jaguar's AJ-V8 engine in 4.0-litre form has an 86.0 mm bore and stroke.

  5. Bore (engine) - Wikipedia

    en.wikipedia.org/wiki/Bore_(engine)

    Engine displacement is calculated based on bore, stroke length and the number of cylinders: [1] displacement = π ( ⁠ 1 / 2 ⁠ × bore ) 2 × stroke × n cylinders. The stroke ratio, determined by dividing the bore by the stroke, traditionally indicated whether an engine was designed for power at high engine speeds or torque at lower engine ...

  6. Displacement - Wikipedia

    en.wikipedia.org/wiki/Displacement

    Engine displacement, the total volume of air/fuel mixture an engine can draw in during one complete engine cycle; Displacement (fluid), an object immersed in a fluid pushes the fluid out of the way; Positive displacement meter, a pump or flow meter which processes a definite fluid volume per revolution; Displacement has several meanings related ...

  7. Vehicle size class - Wikipedia

    en.wikipedia.org/wiki/Vehicle_size_class

    All vehicles with an engine displacement over 250 cc are required to undergo an inspection (called "Shaken" in Japan). Vehicle weight tax and mandatory vehicle insurance are usually paid at this time. This is separate from the road tax paid yearly. The road tax varies from ¥3,000 for kei cars up to ¥22,000 for normal size cars with 4.6L engines.

  8. Compression ratio - Wikipedia

    en.wikipedia.org/wiki/Compression_ratio

    Racing engines burning methanol and ethanol fuel often have a compression ratio of 14:1 to 16:1. Mathematical formula ... is the displacement volume. This is the ...

  9. Chevrolet small-block engine (first- and second-generation)

    en.wikipedia.org/wiki/Chevrolet_small-block...

    The first year had unique chrome valve covers with Chevrolet stamped into them without an engine displacement decal pad. In 1968, the engine had the chrome covers, but without the Chevrolet name, connected to a PCV valve and a chrome 14 in × 3 in (355.6 mm × 76.2 mm) drop-base open-element air cleaner assembly fitted with a crankcase breather ...