Under the General Motors Cylinder Set Strategy, the biggest of the Big Three in Detroit rolled out no fewer than three engines. The list begins with the L3T inline-three turbo of the Chevrolet ...

In production since 2018, the 2.7-liter turbo inline-four engine referred to as L3B has been hit with a customer satisfaction program. As it happens, a handful of engines may feature cracked blocks.

Which fuel type is recommended for the TurboMax engine that's found in GM's midsize and full-size pickup trucks, including the Chevrolet Colorado?