Why Engine With Hydraulic Valve Lifters Do Not Require Valve Adjustment?
Why Engine With Hydraulic Valve Lifters Do Not Require Valve Adjustment? A hydraulic tappet, also known as a hydraulic valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine. Conventional solid valve lifters require regular adjusting to maintain a small clearance between the valve and its