Ignition timing Ignition timing In a spark ignition internal combustion engine, Ignition timing refers to the timing, relative to the current piston position and crankshaft angle, of the release of a spark in the combustion chamber near the end of the compression stroke. The need for advancing (or retarding) the timing of the spark is because fuel does not completely burn the instant the spark fires, the combustion gases take a period of time to expand and the angular or rotational speed of the engine can lengthen or shorten the time frame in which the burning and expansion should occur. In a
Blockquote element languages, the semantics and effect of HTML codice_6 is different from the use of an initial colon in a paragraph, which may be translated into an HTML codice_13 element enclosed within a codice_14 element. (That is a "data definition" within a "definition list", without there being any preceding "data term" or codice_15 element). Blockquote element In HTML and XHTML, the blockquote element defines "a section [within a document] that is quoted from another source". The syntax is codice_1. The codice_2 element is used to indicate the quotation of a large section of text from another source. Using the default HTML