It can be safely said GM's all-new LS1 opened the door to a new world of technology and performance in the 1990s. It can also be accurately stated the LS family is easily the most successful V-8 in ...

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 ...

Iron LS1 5.7L Dyno pull inside the dyno control room - hitting the rev limiter. 456hp One of the tuning runs for our leftover LS1 iron 5.7L LS engine build. This was with the upgraded Fast 92mm intake ...

Most owners of bone-stock, or near-stock, LS1 vehicles have heard of handheld tuners. These wondrous little devices are best known for the ability to flash in a performance tune into the ECM-removing ...