Recent content by Stewart

Deionized waster is what is recommended to be used with a Heavy Duty ELC. Since deionized water isn't readily available for most people, distilled water works as a quality substitute. Here is what the noted coolant expert "Gooch" (as he's known on other forums) has to say about using tap water...

He mentions ELC in his post, and since ELC is a huge improvement and upgrade over the Ford "Gold", I'd wager he's using ELC. A Heavy Duty Extended Life Coolant (ELC) is an Organic Acid Technology (OAT) coolant. HD ELC's use carboxylate inhibitors to prevent cavitation by chemically interacting...