While it's not the most famous engine Chevrolet ever made, the 4.3L V6 powered several of its best cars for 30 years and continues to be an influence today.

The new V6 is promised for the 2008 model year, with a launch vehicle "to be announced." Destined to be GM's highest specific output non-turbo engine, the new V6 sounds like a natural for the V6 ...

Take, for example, the L8T crate engine used in 2500 and 3500 HD models ... shuts off half the cylinders in a GM V8 or V6 to improve fuel efficiency by up to 12 percent. Dynamic fuel management ...