Hydraulic lifter preload

For the guys that want to continue to give input on this thread thank you, i appreciate it.... I Got busy with the kids this week. But plan on pulling the valve covers in the next week or so to do an inspection.

To add a little more info on my specs..
It's a 68 383
Comp 1621 rockers, comp 822 lifters and comp 911 springs.
Thanks