The past couple of show seasons we've noticed more than a few classic trucks with a late-model Chevy 5.3L LS engines between the fenders, which got us talking with their owners about the switch to a ...

The term Vortec signals that a Chevy engine is using Vortex technology, which employs a circular motion within the cylinder ...

It's hard to believe that General Motor's LS series of engines have been with us for 20 years. Introduced in 1997, performance enthusiasts quickly learned all this new design had to offer—these ...

Unless you were there to witness it, Chevrolet's introduction of fuel injection in 1957 is probably beyond your comprehension. Nowadays, we're sort of desensitized to revolutionary technological ...

Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

Port fuel injection (PFI) was a major milestone in the early '80s. The integration of PFI rapidly changed the way fuel was delivered by increasing fuel economy and improving engine performance. Even ...

While port injection is still the most common form of electronic fuel injection, gasoline direct injection is quickly starting to replace it since it provides better fuel atomization, decreased ...

GM's LS engine is a powerhouse, thanks to great-flowing heads that enable tremendous horsepower and high-rpm performance. But while the LS is becoming a more popular swap choice for earlier, pre-C5 ...

Most new petrol cars you see today are equipped with fuel injection systems or injector motors. These have almost wholly supplanted older carburetor motors. They are more reliable, effective, and ...