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 ...

As a critical component in fluid control systems, a failing solenoid valve can manifest its problems in various ways. These early warning signs are crucial for swift troubleshooting and preventing ...

A new valve coil designed for harsh off-highway environments is said to lengthen machine service intervals and help prevent unscheduled downtime. The coils, developed by Sauer-Danfoss, Ames, Iowa ...

One of the contributing factors to the LS engine's success when it comes to performance and economy can be traced to its DIS (distributorless ignition system). By assigning an individual coil for ...

Part 1 in this series covered defrost cycle problems in heat pumps. Now, let's discuss the second major winter issue: heat pumps stuck in one mode. The customer calls and says the system won't switch ...