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 ...

We follow along as Papadakis tears down the engine after a 4-race stint to learn the genetic make-up of this this high-strung 4-cylinder ... to accept a small-block Chevy bearing, which allows ...

Driving Line compares the GM 4.2-liter inline-six-cylinder Vortec ... in comparison to the engine's potential as demonstrated in naturally aspirated promotional racing trucks that made 600 horsepower.

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 ...

Turns out the next gasoline turbo engine will also go where no truck engine has gone before. That would be GM's new 2.7-liter turbocharged four-cylinder ... raise you an I-4!'" ...

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 ...

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.