GM EcoTec3 V8 lifter failures on L84 and L87 engines stem from low oil pressure during Dynamic Fuel Management cycles. This ...

Torque News tracker by Denis Flierl exposes why partial dealership lifter repairs on Chevy Silverado V8 engines trigger oil ...

Here is where my Sub lifter repairs stand now: The dealer GM and SM met with GM representatives. GM authorized warranty repair to replace all 16 lifters. This is the second replacement of all lifters.

Cars are intricate machines that rely on a series of chemical and mechanical processes to work properly. When things go wrong with one of those processes, your car can start to make some strange ...

The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...

The latest in the Sub lifter failure saga: I picked up the Sub at the dealership on 6-13-23. Had a long talk with the GM, SM and Chief Mechanic, who did the work. He was very experienced and seemed to ...