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 ...

This may feel like specialist information, but for serious engine builders and home mechanics with a project themselves, checking the pushrod length may be a pain in the neck, but it’s worth doing.

When you buy a new compound bow, one of the first questions you’ll be asked is: What’s your draw length? If you’re not sure, don’t worry, because the basic procedure for how to measure draw length is ...