The next-generation Silverado and Sierra will get a notable boost in power and torque for the TurboMax turbocharged 2.7L I4 engine, GM Authority has learned.

A teardown of a locked-up GM L31 5.7-liter Vortec 350 from a ’90s full-size truck reveals bent rods, destroyed bearings, a ventilated block, and exactly why these workhorse small-blocks so often go ...