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 ...

Anyone who has gone to school to learn how to repair engines of all types, such as myself, will have learned the fundamentals of how they work. It's crucial for troubleshooting and diagnosing engine ...

The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor intended, to be run on the street. All of these ...

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 ...

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 ...

Auburn Hills, MI auto industry supplier Phinia, (the conglomerate that includes Delphi, Delco Remy, and Hartridge) has announced progress on its 500 bar+ gasoline direct injection system, which it ...

In today’s cost-conscious times, supplementary engine and fuel additives promise means of cutting motoring costs. We study whether or not they really deliver Words: Rob Marshall Ever since the ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...