One of the handy items about LS engines is that they offer a plastic hydraulic guide that positions the lifter over the roller cam. This holder can also trap the lifter in the up position to allow ...

According to my ongoing tracking of manufacturing defects, proprietary field data reveals a hidden epidemic of low-line ...

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 ...