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The Vortec 7400 L29 7.4 L (454 cu in) V8 was a truck version of the Chevrolet big-block engine. Introduced in 1996, it was produced for five years, until replaced by the Vortec 8100. Introduced in 1996, it was produced for five years, until replaced by the Vortec 8100.
This was so named because it began with Chevrolet's V8 engines. Chevrolet big-block V8s; Chevrolet small-block V8s; GM Vortec 4300 90° V6; GM Iron Duke RWD inline 4 (early RWD Variants, later versions may use a FWD pattern, and have two possible starter locations) Jeep with GM Iron Duke inline 4 2.5L/151 in 3 (1980-1983).
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]
Chevrolet Performance created the 454 big-block Chevy race engine in 1970 and continued production of the crate engine through 2001. The addition of EFI and picking up the Vortec 7400 name took place in 1996 which was replaced with the Vortec 8100 platform once the 7400 was retired.
Chevrolet small-block engine (Vortec 5700) 1996–2000 L31 255 hp (190 kW) @ 4600 RPM 330 lb⋅ft (447 N⋅m) @ 2800 RPM 7.4 L (454 cu in) V8 Chevrolet big-block V8 1988–1990 L19 230 hp (172 kW) @ 3600 RPM 385 lb⋅ft (522 N⋅m) @ 1600 RPM over 8,500 lbs GVWR 454 SS, 1990 Chevrolet big-block V8 1991–1995
The engines were also sold for marine and stationary applications. In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro ...