It's already been mentioned in this thread- - - - -sodium silicate, AKA "water glass".
It may have been mentioned, but never explained how it was used.
Last edited by Phak1; 06/18/202310:21 PM.
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