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
MSD Ignition of Fame in 2009 in recognition of how the company has helped to shape the American racing industry. MSD also received honors as the SEMA manufacturer of the year in both 2005 and 2007. The current president of the company, Russell Stephens, has also served on the board of directors for SEMA (2002-2006). MSD Ignition MSD Ignition is an American automotive aftermarket manufacturing company that specializes in high-end ignition system and electrical components. MSD Ignition was the first company in the world to experiment with Multiple Spark Discharge for the ignition system of internal combustion engines in 1970. The idea