Our mechanic takes us through the cylinder head and valve train and continues his explanation of how engines really work. The Mechanic is the kind of chap who eat, sleeps and breathes engineering.

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 ...

All things under the hood of a car have an inherent delicate nature and require special tools and knowledge to fix, but there are a couple engine components that carry the bulk of the responsibility ...

Ferrari was so proud of its five-valve cylinder heads, it changed a naming convention that ran back over 25 years. For its previous mid-engine two-seaters, the three-digit name was derived from ...

Hot-rodders share a common denominator, irrespective of brand loyalty: get from A to B as fast and as inexpensively as possible. Within the scope of the engine, that means focusing primarily on the ...

Torque it, stretch it, compress it--these are just a few of the exercises that engine builders encounter when assembling a high-performance engine. The process of building a bullet requires the skills ...

Cylinder head porting is an advanced area of car tuning, so to help you get around what it all means, we take a closer look at the sure-fire way to improve an engine’s performance potential. You may ...