When General Motors revealed the '06 Corvette Z06's 505hp LS7 V-8 enginelast year, our first question was, "How detuned is it?" After all,despite its 500-plus horses, the latest and greatest 7.0L ...

Extra displacement and a compression bump really wakes up this LS7 engine build. LS7s make great LS-swap mills, but what if 427 cubic inches just isn't enough displacement for you? Well then, what you ...

First of all: Yes, the intake manifold shown in our lead photo is backwards. That's intentional, for reasons we'll go into in a moment. But the larger question should be, Why would anyone want to take ...