It's good to know what you want when you set out to build an engine. It's even better to actually get it. As Ken Sink formulated a replacement Rat motor for his original big-block-powered '68 Chevelle ...

Have a stimulus check headed your way? There are a trillion ways to spend it, but for those horsepower-hungry owners of late-model Ford Rangers, here's a good option. Ford Performance is offering a ...

Some engines just won't go away. Back in the May '11 issue, we brought you the first part of our budget-built 400 small block Chevy. The idea was to bolt a set of iron Vortec heads on a junkyard 400 ...

There's been a lot written about optimizing header design, but most of us can't afford one-off, custom-built, ideal-for-the-combination headers. Realistically, we use what we can buy over the counter.

Power and torque are concepts we all know and understand, right? Well, not everybody can accurately describe the difference. Imagine, for a moment, you're stopped at a red light when a slammed '06 BMW ...

Most electric cars aren't normally associated with performance, but they are able to achieve something gasoline-powered cars can't: peak torque at zero rpm. It's thrown around often, and many will ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke ...