QUESTION: Why does my outboard oil-injection unit have a primer bulb that is never used? ANSWER: The oil primer bulb is used only when the engine is installed. Air is purged from the system so the oil ...

Trucking is like a skeleton; there are many important components that go together to make up our industry. Just like the human body, we need all the pieces to fit together to make it work properly.

An oil-cooling system is the life line on the track because going fast doesn't really matter if you can't keep an engine from grenading under continuous full-throttle conditions. Any racer will tell ...

Manufacturer's oil change interval recommendations are guesses at best. Whether it is the Jeep owner's manual, the oil manufacturer, or the oil filter company you are using, they just don't know what ...