How much lift with stock magnum roller lifters?

As I recall, he had the perfect combination of internal pieces using disassembled chevy hydraulic lifters, to take up the cavity space completely to the retainer ring. The end result was essentially no slop. When I get home tonight I will go have a look for the one he assembled to show me the process. The combination of parts went together like Lego! Lol

That's pretty funny. Was he using the crappy wire retainer or a snap ring?