Any Chevy engine, if it's well-modified or just slightly warmed-over, requires a good set of valve seals. Originally, a small rubber O-ring, fitted in the second valve stem groove, served as the only ...

Because of the dynamic nature of the equation, camshafts are one of the most misunderstood performance components on any motor. This is especially the case on the overhead-cam modular 4.6L Ford motor.

With the short block assembled for our 383 supercharged project motor, it's time to shift our attention once again; this time to the heads and valvetrain. Like the rotating assembly, when it came to ...

Imagine one day, years ago, in some equipment shed out in Middle America, an innovative farmer looking at oil dripping from the bottom of the well-seasoned 5.9L Cummins engine in his Dodge Ram pickup ...

During maintenance of steam systems, the insulation that covers pipes, valves, and fittings is often damaged or removed and not replaced. Pipes, valves, and fittings that are not insulated can be ...