propane

Hello I am wanting to know what is required to update the factory propane tag, also I had a small leak last time I checked the main hose for any damage, rubbing looked to be in very good condition, it all looked good but could smell faint propane when was near the tank area, anybody experience...

Seriously considering a 1977 23' GMC to live in full-time for the next year or two. I would like to park in a residential driveway 95% of the time but need to know what hookups are required (if any). The GMC I'm looking at is all original, including appliances if that helps. I really appreciate...