Don't go racing without one ... 4-cylinder speed equipment catches up with the number of engines already on the road, 4-cylinder Chevy performance enthusiasts will have to rely chiefly on their ...

Driving Line compares the GM 4.2-liter inline-six-cylinder Vortec ... in comparison to the engine's potential as demonstrated ...

Pontiac's Super Duty engine has become the 4-cylinder equivalent of the small-block Chevy. Every component is available in heavy-duty form, and they're all race-proven. With the formidable success ...

Chevy Equinox, GMC Terrain, Buick Verano or Buick Regal next year: GM is pulling the 2.4-liter four-cylinder engine used in these products, and replacing it with an updated 2.5 liter version.

See, the '85-up Chevy 4.3L ... The 4.3L is an internally balanced engine like a 350. See All 16 Photos A 4.3L can be cammed just like it was a 350 because each cylinder has the same displacement ...

The R07, short for “Racing 2007,” is GM’s first purpose-built NASCAR racing engine. The evolution ... Some of the key technical advances are 4.500-in. cylinder-bore centers (versus 4.400 ...

General Motors is adding a four-cylinder engine as an option to its top Chevy Malibu model and is touting the combination's fuel economy. The Malibu LTZ now can be equipped with a 2.4-liter Ecotec ...