Be sure to check the pushrod that mates with the screw- - - -if one is worn the other is likely to have some problems also. That's one of the advantages of a hydraulic lifter setup- - - -parts never actually lose contact with each other, and battering wear is minimized.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!