Have you ever wondered exactly what those articulating chunks of metal atop your intake manifold actually do? As a Gen Xer who was weaned on GM EFI systems, for years the inner workings of a ...

Direct-port electronic fuel-injection may be the ultimate fuel metering system, but unfortunately it is also by far the most expensive. Presently available systems are based on factory electronic fuel ...

With trucks evolving faster than a clean freak can go through a gallon of quick detailer, some of the basic mechanical skills are getting pushed back into the memory banks. Things like plugging in a ...