The French created a measurement system in 1790 called the metric system. While the U.S. has never managed to switch over to it completely, as we were supposed to in the latter half of the 20th century, most automotive techs are familiar with it today because of the fasteners and components on late model vehicles.
Why am I writing about your wallet? To be perfectly honest, it’s because I want you to stay in business. If you’re not in business, Engine Builder magazine isn’t in business. If you’re not in business, Goodson Tools & Supplies isn’t in business. If you’re not in business, Dave Monyhan is not employed, and that
Each GM division had its own engineering staffs and even its own assembly plants. There was very little parts interchange between the different divisions. Each unit had its own engines. Each division had its own personality. When Bunkie Knudsen became general manager of Pontiac in June of 1956 he set the world on fire. His
Camshaft and valvetrain technology is a topic we’ve written much about over the years. A rotating eccentric lobe on a camshaft still opens the valves. In the case of an overhead valve engine, the cam lobe pushes a follower or bucket tappet to open the valve. With a pushrod engine, the cam lobe pushes a
For the engine to survive, the oiling system must be capable of supplying an adequate volume of oil under a wide range of operating conditions. The oiling system must also maintain adequate pressure to keep the oil flowing to all of the places where it is needed. Critical among them are the crankshaft and camshaft