How Do I Use Adjustable Rocker Arms to set Hydraulic Lifter Preload?

The easiest method to arrive at proper lifter preload is when you have an engine with "Adjustable Valve Train." Unfortunately, since 1967 most domestic engines, with the exception of small and big block Chevrolets, have been made with non-adjustable rocker arms. The Crane Catalog shows you several ways of converting your engine to an adjustable rocker arm system. The following sections will describe how to set the preload with adjustable rocker arms.