Check out this tech article called Piston Head Clearance ... most production engines rely on a piston-to-head clearance of 0.060-inch or more ... meaning 12.5 parts of air for every one part ...

4 Piston is known the world over for its record-breaking cylinder head and engine building services. The company has taken everything it knows about naturally aspirated Honda drag racing and put ...

The modern racing engine has several parts that are tunable as to design and configuration. The piston is one of these parts. We are required to hold to certain dimensioning for bore and stroke ...

The difference between overhauling the engine in your vehicle and an engine rebuild comes down to the quality and scope of ...

Come get to know the Chrylser 318 Poly engine head and details on it's ... introduction to the engine line, helping you ascertain the parts that are ... to early-type Hemi heads, pistons, ...

The opposed-piston motor has been around for almost 100 years, but it's never been put into a land vehicle before, until now. Here's what you need to know.

The basic idea is similar to a Wankel rotary, but turned on its head. Where the rotor holds the seals in a normal Wankel, the housing does that job in the X1 engine.

Weighing just 22 lb (10 kg), the simple engine uses a single moving piston to develop power. Beyond vehicles, Aquarius is developing the engine for use as an off-grid micro-generator. SUBSCRIBE ...

You could even 3D-print engine parts if you want. Of course, they would all fail within seconds if you tried to actually use them in a vehicle. That is, unless you use the method Porsche just did.