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 ...

Back in 2023, Jeep recalled more than 330,000 Grand Cherokees from model years 2021 to 2023 due to a flaw in the rear suspension that could cause a coil spring to break loose. The move was meant to ...

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, ...

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, ...