There has been a movement within our hobby over the last several years to update vintage iron with an eye toward modern-day performance, reliability and, most importantly, drivability. Call it Pro ...

As the saying goes, "time flies when you're having fun." It must be true because we were in shock when it dawned on us that the LS1 was introduced two decades ago. Yep, 20 years that seemed to go by ...

There are few finer moments than the first time you wind out all the gears in your LS1-, LS6-, LS2-, LT1-, or TPI-powered ride. That glow can last a few weeks-even a couple of months-but fades once ...

Back in 2004, GM Performance Parts shipped us a complete LS1 to evaluate. Looking back, we really threw the hammer at this one. We tested every off-the-shelf cam, manifolds and cylinder heads, ...