Correct valvetrain geometry is critical to ensure trouble-free operation of an engine, especially during high-rpm operation. When building a new engine, many people simply reuse the original pushrods ...

One of the most overlooked areas within the valvetrain for a performance engine is pushrod length. Veteran enthusiasts may scoff at this because, back in the day, you just dropped in a set of stock ...

Golf club length is easily checked with the correct ruler, but even with the right tools, there are different ways to interpret the information depending on the person doing the measuring. Each method ...

Researchers finally have answered one of the most compelling questions in the field of medicine: What is a normal size for a penis? The answer, according to anatomically precise measurements of up to ...