The hole was not flush on my 235 either, but it did go into the water jacket. I moved the existing screw into the rear position (no sealant as it’s a blind hole) and inserted the pivot into the forward position with sealant.
Phil Moderator, The Engine Shop, Interiors and Project Journals
1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes Project Journals Stovebolt Gallery Forum
