Airworthiness directive affects O-235, O-540, and IO-540 powerplants.

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

In some sense, cars are the forces that drive our world. They help us shorten distances, travel faster than we’ve ever thought possible, and make our lives degrees of magnitude easier. All of that was ...

When it comes to classic American muscle cars, you'll hear the terms "small block" and "big block" thrown around quite a bit. As one might assume, it's in reference to the actual physical size of V8 ...

Humans use hot cocoa, coffee, tea, whiskey, and chicken noodle soup to warm up their insides and defrost from the cold abyss known as winter. Cars use engine block heaters. For the most part, modern ...

Think of motor oil as the lifeblood of your car’s engine. Checking it on a regular basis is a key part of keeping your engine running well and getting the most miles out of it. The oil lubricates the ...

It's a common misconception that modern fuel-injected engines are more immune to flooding than older carbureted motors. Given the right (or wrong) conditions, any internal combustion engine –- whether ...

Whether you are looking to prep your car for sale, get it clean prior to mechanical surgery, or merely don't want to cringe when you open the hood, a little DIY cleaning will make a world of ...

An engine hoist isn’t a tool you’ll use every day, but it’s absolutely irreplaceable when your project car commands one. I mean, you can opt to try and lift the thing yourself but trust me, that’s no ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

You’re driving along in your car or truck and suddenly a yellow light illuminates on your dash telling you to check or service your engine. If you’re like most car owners, you have little idea about ...