For mild street engines, stock valve springs are more than adequate. But if you've screwed in a big bumpstick for strip-banging or banzai runnin', then pay attention. Our plan was simple: Install a ...

Ignition coils sit at the center of every gasoline engine’s spark, yet they usually stay invisible until something goes wrong. When a coil starts to fail, the symptoms can look like fuel problems, ...

Chrysler is recalling roughly 330,000 Jeep Grand Cherokees because the rear coil springs on some newer models could fall off when someone is driving, increasing the risk of a crash. The recall covers ...

Automotive suspension systems are critical to vehicle performance and safety, with fatigue life analysis playing a pivotal role in ensuring long-term reliability of components such as coil springs, ...