At Circle Track, we're all about helping you do more for yourself. But sometimes that's just not realistic. That's not casting doubts on the intelligence of our readership. Just like your mom, we ...

Imagine one day, years ago, in some equipment shed out in Middle America, an innovative farmer looking at oil dripping from the bottom of the well-seasoned 5.9L Cummins engine in his Dodge Ram pickup ...

If you were with us last month when we demonstrated how to remove and disassemble an engine, you are probably now staring at a large maze of engine parts. This installment deals with putting all those ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

The '11-present 5.0L Coyote engine now basks in the performance limelight; deservedly so, because it truly is a wonderful, world-class piece. However, Coyote's immediate Mustang predecessor—the ...

As a vehicle's engine operates, the intake and exhaust valves open and close rapidly while the pistons move up and down in the cylinder. These mechanical actions require a constant supply of hot oil ...

Your engine is composed of many moving parts and pieces. In order to move through the four stages of internal combustion, all of these bits and bobs are quite necessary. Some engines, however, take ...

A car engine is a piece of heavy machinery, and it isn’t surprising for it to make all kinds of sounds. The rotating shafts, the moving pistons and valves, the combustion process, and other engine ...