EFI conversions have been available from the aftermarket almost from the time EFI systems became universal as OEM equipment. Over those years, the systems and their software have undergone continual ...

The only performance-oriented Pontiac V-8 ever fitted with electronic fuel metering was the turbocharged 301 and T/A 4.9 of the early '80s. An onboard computer was fed information from several sensors ...

Most of us with classic Chevys strive to upgrade our rides for the street. We ditch drum brakes for discs, bolt in overdrive transmissions, add air conditioning, and perform a plethora of other ...

Fortunately, the aftermarket soon stepped in by developing stand-alone engine management systems that took over fuel and spark duties from stock PCMs. The aptly named Fuel Air Spark Technology (FAST) ...

Carburetors get a bad rap. They honestly are a lot easier to work with and a lot more reliable than people think they are. They’re just not as easyt o work with as an EFI system, which is hands-off ...

In the beginning, there were horses and buggies (and buggy whip makers). Then, around 1860, some clever folks figured out that mixing oil-derived “gasoline” with ...

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 ...