Have you ever wondered why GM, Ford, and Chrysler converted from distributors to distributorless ignition systems (DIS)? Sure, they eliminated the whirling mechanical device that spins a rotor that ...

Ignition problems can be infuriating. They always seem to pop up at the worst time and because they are hard to visually spot they can be difficult to find the source and correct. Adding to the ...

The morphing of state-of-the-art electronics into today's performance vehicles keeps getting better all the time. And in case you're confused as to what magazine you're reading, we're not referring to ...

While the 5.3L LS4 V8 was the first car engine to feature Active Fuel Management (cylinder deactivation) technology, it was not Flex Fuel capable and did not have variable valve timing. As mentioned, ...

No Ford engine project is complete without a properly functioning ignition system. This system has the important job of delivering the spark to the required cylinder at precisely the right time. Any ...

Several General Motors performance products from the 1980s, including certain Corvette C4, Chevrolet Camaro and Pontiac Firebird models used an engine called L98, which is an entirely separate engine ...