Just wanted to pass along some product insight I got from the muscle car realm, not sure if its made its way into these oldies.
Just used Poppy's Patina Wipe on clear, with catalyst and the results are amazing. Super easy to do too.
I take my 40 to Sportscar Workshops in Richmond VA. not Cruiser guys but did a complete engine swap and diagnosis and more on it. work on real valuable stuff and would trust them with anything.