compression head

compression head

Dictionary of automotive terms. 2015.

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  • high compression head — A cylinder head with a smaller combustion chamber area thereby raising the compression. The head can be custom built or can be a stock head milled (cut) down …   Dictionary of automotive terms

  • compression — [1] Applying pressure to a spring, or any springy substance, thus causing it to reduce its length in the direction of the compressing force. [2] Applying pressure to a gas, thus causing a reduction in volume. [3] One of the essential factors in a …   Dictionary of automotive terms

  • head — [1] The upper part of something. [2] A term used to express the increase of energy content in a fluid pumped, expressed in units of energy per unit of mass, usually simply ft (feet). [3] A part of the engine which covers the piston and creates… …   Dictionary of automotive terms

  • Compression fracture — Classification and external resources Compression fracture of the fourth lumbar vertebra post falling from a height. ICD 9 …   Wikipedia

  • Compression (album) — Compression Studio album by Billy Sheehan Released August 21, 2001 Genre …   Wikipedia

  • Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia

  • Head gasket — Different kinds of gaskets, #4 indicating a V4 or boxer engine head gasket …   Wikipedia

  • Compression artifact — Original image, with good color grade Loss of edge clarity and tone fuzziness in heavy JPEG compression A compression ar …   Wikipedia

  • compression ratio — Auto. the ratio of the cylinder volume enclosed by the piston at its outermost position to the volume enclosed by it at its innermost position. [1905 10] * * * Degree to which the fuel mixture in an internal combustion engine is compressed before …   Universalium

  • compression — compressional, adj. /keuhm presh euhn/, n. 1. the act of compressing. 2. the state of being compressed. 3. the effect, result, or consequence of being compressed. 4. (in internal combustion engines) the reduction in volume and increase of… …   Universalium

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