Here's another idea that might work for you...Fixing threads
Although JB Weld is resistant to gas, it is not resistant to alcohol. If you use gas mixed with ethanol, the long term effects are debatable and not really known.
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