Southwest Research Institute and The University of Texas at San Antonio are collaborating to develop methods to detect pre-ignitions in real-time. The researchers will first use laboratory-grade ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Many fleet operators are interested in minimizing the number of engine oils they need to carry for their fleets, ideally seeking one solution that works across a mix of heavy, medium and light-duty ...

Duvernay has the highest stock output production Quad 4: the 190-hp 1991 to 1992 RPO W41. The 1993 W41 lost 10 hp due to smaller exhaust ports. I have a 1992 Olds Achieva SCX with a W41 Quad 4 engine ...

Ignition timing is like seasoning: some is good, but too much ruins the results. Bumping up the ignition timing on pushrod 5.0s is a time-honored trick to wake up the under-hood lump. The EFI system ...

In 2019, we took a look at an interesting new advanced ignition system from Transient Plasma Systems. It replaces the conventional spark plugs in a vehicle’s engine with an ignition module that uses ...

Solving the Euro 7 Problem Euro 7 emissions rules are coming fast, and every automaker is scrambling to keep their combustion ...