Quote Originally Posted by gtpinsc View Post
yea and have u ever torn down a engine thats used dex cool all its life? it clogs up coolant channels... eats intake gaskets.
Have in my gp 302,000 miles and my venture 240,000 miles I change it every two years its been ok it does protect aluminum, problem is most people leave in in too long or just add to it never doing a full system flush with it.