How to set valves on SBC engines the right way

Learning how to set valves on SBC engines is one of those rites of passage for anyone messing around with classic Chevys. Whether you just finished a fresh rebuild or you're trying to track down a mysterious ticking sound coming from under the hood, getting your valve lash or preload right is the difference between a motor that screams and one that just sounds like a sewing machine about to explode. It's not particularly difficult, but it is one of those jobs where being "mostly right" is actually "completely wrong." ...

February 23, 2026 · 7 min · Bonnin Anella