This is the 1st I've heard of a hyd flat tappet wanting lash. Usually they are tightened 1.5 turns past 0 lash, to get the adjustment in the middle of what the lifter can adjust for.


Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451