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Vortec is a trademarked name for a line of gasoline engines for General Motors trucks. The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber , creating a better air / fuel atomization. [ 1 ]
The Vortec 8100 L18 is a big-block V8 engine primarily used as a truck engine. It was a redesigned Chevrolet big-block engine and was introduced with the 2001 full-size pickup trucks . It is an all-iron engine (block and heads) with two valves per cylinder.
Do not confuse with later AMC 2.5 L engine that uses GM small corporate pattern . Chevrolet Turbo-Thrift engine (post-1962) Chevrolet 153 Inline 4 (Chevy II, pre-Iron-Duke - includes the Vortec 3000/181 industrial/marine crate motor) Detroit Diesel V8 6.2L and 6.5L; Duramax V8; Generation III V8s with modifications. These modifications include ...
The engine was available in naturally-aspirated and turbocharged versions, and completely replaced the 6.2 L diesel engine. [21] For 1996, the four gasoline engines underwent a series of design upgrades, becoming the Vortec 4300, 5000, 5700, and 7400, respectively. [14]
The 5.7-liter petrol engine is LPG-compatible, and such systems can be retrofitted if desired. Regardless of the engine specified, the truck was equipped with a four-speed automatic transmission. However, what differed was the type of transmission. Petrol motors were fitted with the GM 4L60-E transmission, with the GM 4L80-E reserved for the ...
The 7.0L V8 was discontinued, leaving the 6.0L V8 as the sole gasoline engine. As part of the 1997 GMT530 revision, the 6.0L V8 was replaced by the Vortec 7.4L V8; in 2001, an all-new 8.1L V8 (one of the largest gasoline engines ever used in a school bus) became the gasoline engine.