Just as Harry Hogge (Robert Duvall) said in Days of Thunder, "There's nothing stock about stock cars," there is also very little that is stock in the LS2s that Katech Performance builds for the GM ...

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...

We all know that LS engines respond well to modifications, the very best being a cam swap. So why does the cam offer so much power in an LS application? The reason is that the LS engine family is ...