I'm doing a service on a Ford Sterling rear end and the instructions on the tube of Permatex Ultra Black RTV (I'm out of the green stuff) say to let it set an hour with the bolts finger tight before torquing and then wait 24 hours before adding the fluid. I can't imagine that there is a single pro out there that can afford to wait 24 hours before adding the fluid and clearing their bay for the next job. Am I right?