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 ...

Take your pick. Whether you choose to let nature fill your engine's cylinders with 14.7 psi of absolute pressure or you cram a bit more in the hole with a blower, Weiand has you covered. For about as ...

Now that we have a better understanding of why headers work, the question now becomes do they work in the presence of boost? To find out, we decided to run a series of tests by comparing headers ...

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 ...