proper rocker adjustment

I think i'm overthinking this so I thought I'd ask. My 408 has comp roller rockers with a comp hydraulic cam, When I go to set the rockers whats the proper adjustment. I think the last time I had them off I tightened the nut till the push rod stop being able to be rotated then went a 1/4 turn more. Does that sound right and if not how do you set them on a hydraulic cam? Thanks