If you have ever wondered what would happen if you started and ran an engine without a throttle body, here you go.

This Godzilla engine is run both without a throttle body and the intake manifold, all for science.

This lightweight big-cube big-block Chevy keeps a traditional look but with lots of modern upgrades.

Designed to make streetable power, this 598-cube all-aluminum mill makes big power.

Rimac's Big Blue 1,000-pound valvespring tester is back in production.

Rimac has been producing the design since 1930 and it's still going strong.

Picking a camshaft is more complicated than simply looking for the biggest grind in the catalog.

Ben Strader walks us through the process of choosing cam specs for the LS5.0.

Cross-plane crankshafts are a staple in V8 engines, where flat-plane crankshafts are an anomaly.

In the case of inline-four-cylinder engines, the reverse is true, and here's why.

The Chevrolet Stovebolt 6 is an important historical engine.

So, it only makes sense to turn it into a modern twin-turbo inline powerhouse.

Jon Kaase has learned a lot throughout his 50 years in the industry.

With the goal of working smarter not harder, Kaase shares some of the tips and tricks he's picked up.

Dave Rochau of Armageddon Turbo Systems has decided to embrace the junkyard LS trend and develop a turbo kit specifically for the market.

During R&D, you need to push the limits to know where they are.

Breaking-in an engine is an important step in getting the most performance possible out of it.

Here's how to accomplish a solid break-in without an engine dyno.

Five-cylinder engines aren't as common as their counterparts with an even number of cylinders.

These five engines might make you rethink your stance on five-cylinder engines altogether.