The thermostatic expansion valve (TXV or TEV) is a metering device located between the liquid line and the evaporator. The TXV is a dynamic valve that constantly modulates and meters just enough ...

A common accessory added to multiple evaporator systems operating at different evaporating temperatures is the evaporator pressure regulator (EPR). It is a refrigerant flow control device that ...

Many gearheads buy their cylinder heads fully assembled and don't have to sweat making sure all of the various parts are set up correctly. But for those that build their own, or that just need to swap ...

Obviously, these valve-control-related issues, associated with insufficient valvespring pressure, are the reason why camshaft manufacturers offer valvespring upgrades. The obvious answer might seem to ...