QUESTION: I was having a conversation about cars with my 14-year-old son, and the topic of fuel injection came up. He wanted to know how it works, and I began to tell him but then realized I was ...

Gregg Petersen's Hilborn-injected Chevette. The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor ...

Question: Can you explain how fuel injection works? I've been hearing about new ways this is done and realized I didn't understand the current kind. I grew up with carburetors and tinkered with them ...

The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...

Feeding today’s horsepower demands with yesterday’s fuel pump technology is a losing proposition. Here’s a look at the latest the industry has to offer. Everyone knows that airflow equals power, but ...

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 ...

If you browse forums often, chances are you've come across some heated discussions around the CP4 fuel pump. The CP4, short for "Common Rail Pump 4," is a high-pressure fuel injection pump that made ...

Whether you're looking to replace an aging fuel pump or simply interested in an upgrade, here are five top options. If engine oil is the lifeline of your engine, then fuel is its source of food. In ...