More than 20 years after the first Gen III LS1 V8 rolled off the assembly line for the 1997 Corvette, it seems there are LS cylinder heads everywhere, and even more stories that have tested and ...

As the first of the rectangle-port cylinder heads that subsequently came through the years (i.e. LS3, L92), the LS7 cylinder head still reigns supreme as the best-flowing two-valve production ...

Ever since humans started using motor cars, they have undergone massive transformations, makeovers and evolutions. Every part of modern-day vehicles is a highly advanced version of what was used in ...

"Yeah, cool, but those engines won't last." As the LS1 pioneers continued to identify and work around each successive performance bottleneck (remember the excitement around the LS6 manifold?), a ...

On our test subject, a 2001 Camaro SS, these upgrades were realized during an engine build that was completed in 2007. At the time, the budget allowed for a set of PRC Stage 2.5 5.3L heads, while a ...

The next step in our C5 Corvette build begins — removing the LS1 cylinder heads to prepare for a full engine overhaul. In this video, we take you through the entire teardown process, covering every ...