[1ton]

Originally Posted by 4dFord/SC

Here's another alternative: http://www.no-rosion.com/norosioncoolant.htm

This talks about the ph balance of the coolant. I've heard about this over the years. We've talked about the new orange coolant that GM was using. Is it because of the more prevalent use of aluminum heads and radiators. I firmly believe that ph balance is very important with aluminum heads.