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Spark plug with single side electrode An electric spark on the spark plug. A spark plug (sometimes, in British English, a sparking plug, [1] and, colloquially, a plug) is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure within ...
The Mercedes-Benz M272 engine is an automobile piston V6 engine family used in the 2000s (decade). Introduced in 2004, it is based on the M112 V6 introduced in 1998.. All M272 engines have aluminum engine blocks with a 90° V-angle with silicon/aluminum lined cylinders.
Spark plugs are centered in the combustion chambers. The intake valves are 33 mm (1.30 in) in diameter while exhaust valves are 29 mm (1.14 in). The SOHC 24 valve version of the 6G72 uses these same cylinder heads. A toothed timing belt is used.
Note: All USDM gasoline Z20, Z22 and Z24 engines were known as NAPS-Z (NAPZ or NAPS-Z Nissan Anti-Pollution System), NAPZ motors had dual spark-plugs (two per cylinder) except the pre-82 versions and latest versions of the Z24i as fitted to the Pathfinder. All NAPZ engines sold in California reportedly had dual plug heads regardless of the year.
Because of the DOHC valve architecture, the spark plugs are more difficult to service in comparison to SOHC variations. DOHC engines are therefore installed with platinum spark plugs with an extended spark plug service life of 80,000 miles (128,748 km). The 1996 EJ25D uses different pistons than what was used for 1997–1999, which will ...
Autolite or Auto–Lite is an American brand of spark plugs and ignition wire sets headquartered in Cleveland, Ohio. Autolite products are sold in the United States, Canada, Mexico, and Australia. Until 2011, the Autolite brand was a part of Honeywell's automotive Consumer Products Group, along with FRAM and Prestone. Since then, it has been ...