Nothing ever stays the same for long-technology makes sure of that. Not all that long ago, high-tech was a digital electronic ignition system. Today, the new LS1 and LS6 GM engines are pushing the ...

Top Swap: Let your LS3 breathe easier and make more power with an easy LSXr intake manifold upgrade from FAST Swapping intakes for more power is nothing new in the world of performance. Even with the ...

We could’ve titled this story “lipsticking the pig” but the LS series of engines from Chevrolet are certainly not pigs in terms of performance. But, in regards to looks they can’t hold a candle to ...

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, ...