Like most ideas, this one started out with a simple statement: "Hey, let's test a few LS heads." From that innocent phrase came what would become the granddaddy of all LS cylinder head tests. Sure, we ...

"Once you've put headers and a bigger cam into a 2010 Camaro, short of bolting on a blower or building a stroker, the only thing left to do is to install better cylinder heads." Those were the words ...

Dyno testing a 2011 Corvette Grand Sport (manual) with TrickFlow Specialties LS3 cylinder heads and camshaft package, which is also equipped with long-tube headers and a custom tune from Greg Lovell ...

Obviously, these valve-control-related issues, associated with insufficient valvespring pressure, are the reason why camshaft manufacturers offer valvespring upgrades. The obvious answer might seem to ...