Originally Posted by OldRustyWrench52
Inherited this I-6 that . . . appears to have hydraulic lifters. . . . I don't see any reference in the shop manual as to how one properly adjusts these lifters. Only solid lifters are addressed.
. . . The manual is of no help.
The truck Shop Manuals only describe procedures for truck engines.
Because, hydraulic lifters were only used on car 235 engines.

49-53 Car Shop Manual - hydraulic lifters 50-53
1955 Car Shop Manual - 6 cylinder