One of the easiest ways to tune an engine's performance is with the intake manifold. Yes, the camshaft can have a bigger role in horsepower production, but a camshaft swap includes real work and more ...

Internal combustion engines are fairly simply machines. When you break it down, they are nothing more than air pumps. When it comes to making horsepower and torque, the simple fact is the more air you ...

A few months ago, we hatched a plan to test every intake manifold for the LS3 engine that we could get our hands on. Given the popularity of the rectangular-port LS3 configuration, it was only natural ...

While the streetability of a trick tunnel ram remains to be seen, we followed along on a comparison test that illustrated that at the very least a tunnel ram is much more than a simple high-rpm race ...

Cooling an engine's intake charge is an easy way to make power -- the colder the air, the denser the charge and the more oxygen your engine can mix with fuel to turn into power. This is so important ...

Back in the 1980s, it was common for your average family sedans to produce less than 150 horsepower from internal combustion engines that weren’t all that small. I still can’t believe we drove ...

The 6.2 liter V8 LT1 engine was produced by General Motors for use in performance vehicles and sports cars. It was part of GM’s Gen V Small Block engine family and was first introduced in the C7 ...