Most modern cars use a water-cooled engine with a radiator, hoses and a water pump to circulate coolant throughout the engine. Air-cooled engines want none of this.
The difference between hot and cold spark plugs lies in their ceramic insulation. Learn how hot and cold plugs are different in ignition systems in this article. See more »
The ignition coil passes its power to the cylinders through a distributor. Learn how to wire an ignition coil to a distributor in this article. See more »
How does the thermostat in a car's cooling system work? I had to test my thermostat today and was amazed as I watched it! See more »