GM Authority is taking a closer look at the new naturally aspirated 6.7L V8 LS6 equipped by the 2027 Corvette Grand Sport, ...

Electronic fuel injection systems are one of the largest product categories in the hot-rodding industry, and by now you’re familiar with their many advantages. Most manufacturers have moved to a ...

Ron Strayhorn is an ambitious hot rodder. By day he's a mild-mannered executive running GM's western region service and parts operations, but when he's not on the clock, he's scheming new and more ...

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 ...

Automakers have long touted the benefits of fuel injection, claiming increased efficiency and power. But as more cars have the system installed (around 73% in 2023), more and more consumers are ...

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 ...

The newest generation of the General's eight-cylinder powerplants makes a triumphant debut in the Corvette Grand Sport.

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 ...

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 ...

An equally appropriate title for this story could be "Factory Fuel Pumps: A Recipe for Disaster." Hopefully, you haven't found the truth in this the hard way; a lean condition can lead to a melted ...