is there a special corrosion inhibitor for cooling system to prevent head gasket on 1997 Cadillac Eldorado

no failure at this time. have 50,000 miles on car & want to prevent head gasket failure.

by in Moline, IL on November 07, 2012
2 answers
ANSWER by on November 07, 2012
they sell several but i don't think any work.the alium heads and steel block do not go well together and the dexcool coolant doesn't help much.
ANSWER by on November 07, 2012
blue devil