a small air leak at a crank seal or an intake gasket will cause the usually perfect fuel air mixture in the crankcase to become slightly lean sometimes very lean this lean mixture can quickly result in a seized piston air leaks are by far the number one cause of vintage engine piston seizures
Lugs are the electrical connectors that terminate the electrical circuit. Lugs are made of copper, aluminum, or bronze. They are made for the smallest wire size, 26 gauge to the largest 2000 MCM. Lugs can be mechanical or set screw; compression or crimp, solder or weld; or clamp type.
Aluminum is still the metal of choice for the large wires used to distribute electricity around the electric grid. 1 Copper 2 Aluminum 3 Silver 4 Gold Why are electric wires made out of metal? Because metal is one of the greatest conductors of electricity.