In Reply to: Radiator Leaks -Opinions posted by Tim Daley(MI) on March 30, 2018 at 08:52:42:
Iíve used black pepper for a small hole. And the leak stop for what Iíd guessed to be a crack not in the radiator. Also worked on a car that had the leak stop in it. The cooling system was a mess. Not sure that the mess wasnít caused by the leak stop. Or just poor maintenance.