Ask any serious engine builder what makes a good engine a great one, and the answer likely will be "sealing." While the average guy thinks of sealing as either what kind of valve cover gaskets to use ...

We looked at your comments and we saw that a lot of the questions were regarding the low tension oil rings on the pistons.

How do piston rings work? What is blowby? Why are there three piston rings? What do each of the piston rings do? Typically ...

It's a well-known fact that piston ring gaps represent an area of pressure loss in a running engine. It has been found that minimizing end gap under operating conditions offers a measurable power ...

Pistons reciprocate inside the cylinders of an internal combustion engine. The outer diameter of the piston is slightly smaller than that of the cylinder liner, enabling it to move up and down with ...

When building an engine, it's understandable how the sight of all those parts laid across the workbench can be a bit intimidating to most novice engine builders. After having the block freshly ...

Gamblers are a different breed. There’s a point where they seem to know when a bluff has gone too far, when it’s time to fold their hand and live to fight another day. The art of building racing and ...

Since Michigan has a stay-at-home order due to the coronavirus, I've been partaking in what I am now officially dubbing Wrenchfest 2020—an all-out repair assault on my various broken cars. Last ...