Porting an intake manifold is a simple and underrated mod that directly improves engine airflow and power, and it's ...

Having a V8 engine does not always guarantee big power. Some, like the early 350-horsepower LS1, are tuned for drivability and usable power delivery, not necessarily outright horsepower performance.

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 ...

Roadkill's David Freiburger and Roadkill Garage's Steve Dulcich host of MotorTrend's Engine Masters! Episode 53, featuring an intake shootout, is now available; subscriptions to the MotorTrend App ...

Editor's Note: As inanimate as intake manifolds may appear, they provide a path to both major and minor on-track power gains. Selection is one thing; "tuning" them to specific applications is a blend ...

Incomplete gasoline combustion can lead to your car running rough, and in the worst cases, can seriously damage engine ...

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 ...

A few simple checks and tips can help ensure maximum peace of mind when buying a used GDI-powered car. The Gasoline Direct Injection (GDI) engine is marketed under different names by different ...

Chrysler unceremoniously unveiled the 360ci (5.9L) LA-series small-block V-8 in 1971 as a low-compression engine with only a two-barrel carburetor. The 4.00-inch-bore-by-3.58-inch-stroke powerplant ...