Ray - Just my personal opinion, but I avoid anything remotely like stop leak stuff like the plague! It seems to cause bigger problems down the road. If the radiator is showing signs of leakage, that may be just one of many possible spots. The weakest link theory and all that. I would suggest getting it checked and repaired by a radiator shop if you have one. Others will likely chime in with their suggestions and personal experiences. smile


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)