Many car crafters roll their eyes and tune out when bench racing turns to electronic fuel injection (EFI). We're not here to hijack you into believing that EFI is cheap or even simple. Carburetors ...

For simplicity's sake,let's just say there are two kinds of fuel injectors: peak and hold and saturated. The difference between the two has to do with resistance. Peak and hold (aka low impedance) ...

Q: I’m hoping you can bring an old-timer up to speed on fuel injection. I used to be pretty good at fixing things but hadn’t even considered trying to work on this one. I’d feel better driving if I ...

Many of us remember those wonderful days when a tune-up meant replacing the spark plugs, plug wires, points, rotor, and maybe the distributor cap, and checking the timing and kicking the tires. For ...

Carburetors vs Electronic Fuel Injection - What's Best For Your Engine? What are the differences between carburetors, port injection, and direct injection? What are the advantages and disadvantages of ...

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 ...

In order for a petrol engine to run at its most efficient, fuel must be metered into it in precise amounts. If it is supplied with too much fuel then it will run 'rich', causing excessive fuel ...