The Vortec cognomen comes from the technology GM uses to produce a vortex in the engine.
The Vortec engine scope is used in many of the trucks produced by the Universal Motors partnership. GM began Industry of these engines in 1988, and they are at once chunk of GM's "Powertrain" scope of engines. The autograph "Vortec" comes from the "vortex technology" used to discover a vortex inside the engine to advance the air-to-fuel ratio and thus emend engine efficiency.
Vortec 7400
The Vortec 7400 is a 7.4-liter V8 engine with a cast-iron block and heads, utilizing a 9.0:1 compression ratio. It can attain a maximum ability output of 290 brake horsepower at 4,200 revolutions per minute. The maximum torque of the engine is 410 foot-lbs., which is achieved at 3,200 rpm.
The engine utilizes a cast-iron block and intellect model and achieves a 9.4:1 compression ratio.
Vortec CSFI V8 L31 Vin R
The 5.7-liter L31 is a larger and more powerful companion to the L30. It can achieve a maximum of 250 horsepower at 4,600 rpm and 335 foot-lbs. of torque at 2,800 rpm.Vortec CSFI V8 L30 Vin M
The L30 is a 5-liter V8 engine that entered Industry in 1996. It produces a maximum of 200 horsepower at 4,600 rpm and a maximum torque of 285 foot-lbs. at 2,800 rpm.
Vortec 8100
The Vortec 8100 is the greater brother of the 7400. This 8.4-liter V8 engine has the twin cast-iron block and heads master however uses a slightly higher compression ratio of 9.1:1. It can complete a maximum of 340 brake horsepower at 4,200 rpm and produces up to 455 foot-lbs. of torque at 3,200 rpm.As with the L30, the L31 uses a cast-iron block and head design and achieves the same 9.4:1 compression ratio.
