Just about every decent sized town should have at least one
radiator shop that the Friday night racers use. Racers don't like to get stuck with junk, word gets around quick. And they really don't like to have to pay repeatedly to get something fixed when that money could go towards another set of tires. Do a little investigating. Your due diligence might include a ticket to one of the weekly oval races to roam the pits and get some leads. Once you have a shop identified, lug your leaker into it and see what they can do for you.
Thanks for the tip! I will go to the place Joe recommended, for starters, and ask around, but I'll ask a shop up in Burbank what