"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 ...

LS3's can make great power with the stock heads, but Trick Flow engineers combined the best features of GM's LS3 and LS7 cylinder heads with its own race-winning engineering and technology to create ...

The breakthrough of the 11R 227—a tip of the hat to the cylinder head’s 11-degree valve angle and fully CNC’d 227cc intake ports—is less revolutionary than evolutionary. It takes lessons learned from ...