Recently I wrote in this column that every component in a controls circuit is a power supply, a switch or a load — no other possibilities. And that means that every control, hydronic or otherwise, is ...

With the introduction of the new 5.0L, Four-Valve Coyote motor, the original Two-Valve has taken yet another step back in terms of popularity. The Three- and Four-Valve variants get all the publicity ...

Horse Sense:Early Two-Valve motors actually offer a benefit over the later PI motors in the form of static compression. While the later PI motors offered more static compression from the factory ...