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 ...

Light checker springs or your combo's actual springs? For determining the right pushrod length, each has its pros and cons. Gee, Kenny. I don't know. It depends how cute the spring is. (Groan.) ...

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.