318 MAX fuel economy builds?

Standard lifters?

Section from what I read at there site.

“At this point, tighten the locknut until the plunger is compressed at least a sixteenth of an inch below the retaining ring (approximately 3/4 turn for a Small Block Chevy). While the amount the plunger is compressed is not critical, the important thing to remember is that the plunger must be compressed below the retaining ring so that there is no clearance or looseness in the valvetrain whatsoever, but not so much that the plunger bottoms out on the lifter shell.”

Istallation Instructions

What exact model lifter?