Wasn't 67 the old-ball year where one of the brackets was spot welded to the trans dip stick?
Like others mentioned, they are located in multiple spots on the engine. Guessing the assembly manual would give at least the locations with a general representation of the brackets.
A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!