In the past, car parts used to be rather finicky. You had to occasionally adjust the carburetor to ensure your car was getting the right amount of fuel. You had to check the coolant every season to ...

In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

In olden times, part of the ritual of changing your engine's spark plugs was making sure that the gap was set correctly for optimum performance. That is, the distance between the spark plug's center ...