Prestone releases coolant designed to cut corrosion

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Prestone has released its latest coolant with Cor-Guard technology, which the company says protects engine from corrosion. | Prestone photos
Prestone has released its latest coolant with Cor-Guard technology, which the company says protects engine from corrosion. | Prestone photos

Longtime coolant maker Prestone has released a new product designed to protect engines from corrosion, the company said.

In its display at the annual SEMA Show in Las Vegas, the company said the average technology behind other coolant products is at least 25 years old, whereas its Cor-Guard coolant was designed using new research and development.

Prestone said the new coolant was tested over a period of seven years. The company displayed corrosion-free parts that it said were used during testing and compared those to parts from other cars that used competitor’s coolant, which were corroded.

“Formulated for both new and old radiators and water pumps, either protecting them against the initial effects of corrosion or helping to prevent any further damaging effects from corrosion, Prestone with patented Cor-Guard corrosion inhibitors keeps cooling systems running more effectively and helps maintain your engine’s optimum performance over the lifetime of your vehicle,” the company said in a news release.

In addition, Cor-Guard begins protecting parts right away, as compared with other products that can take thousands of miles to do the same.

The new coolant is offered in two forms: Prestone Concentrate Antifreeze/Coolant, which should be used on radiators that have been flushed and cleaned, and Prestone 50/50 Prediluted Antifreeze/Coolant is designed for topping off the cooling system. The 50/50 mix is compatible with any existing fluids.

To learn more or find a retailer, head to Prestone’s website.

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Carter Nacke is a graduate of the Walter Cronkite School of Journalism and Mass Communication at Arizona State University. He began his career at KTAR News 92.3 FM in Phoenix, the largest news radio station in Arizona, where he specialized in breaking news and politics. A burgeoning interest in classic cars took him to the Journal in 2018. He's still on the hunt for his dad's old 1969 Camaro.

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