It's tempting to swap a carburetor for more modern electronic fuel injection. But while such a move can improve your car, it ...

Don't get us wrong. There's absolutely nothing wrong with a carburetor. These largely mechanical devices have delivered precise amounts of air and fuel into engines from the very first internal ...

SAE Transactions, Vol. 96, Section 4: RECIPROCATING ENGINES–SPARK IGNITION AND DIESEL (1987), pp. 614-623 (10 pages) A single-cylinder, variable–compression ratio, direct–injection diesel engine was ...

A huge component of performance is control. If we can more accurately control the timing of fuel and spark to the engine we will achieve a happier, more powerful engine. For older muscle cars, this ...

When factory electronic fuel injection (EFI) first hit the Mustang in the 1980s, many enthusiasts felt it would be the death knell for performance. Little did any of us know at that time that there ...

If you’re looking to soup up your whip, the first place you’ll probably look is the engine control unit. This computer shoved in the engine compartment controls just about every aspect of your car’s ...

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...

SAE Transactions, Vol. 106, Section 3: JOURNAL OF ENGINES (1997), pp. 848-860 (13 pages) Multidimensional modeling is used to study air-fuel mixing in a direct-injection spark-ignition engine.