Hybrid mania continues with speculation that this Lexus LS could be a high performance hybrid version caught being tested in Germany. Though it looks like the current production model, this vehicle ...

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, ...