what's new in: Coolants

The hotter-running engines resulting from '07 emissions reductions efforts have spurred the growth of extended life coolants (ELC) in the U.S. to meet new heavy-duty cooling requirements. Most coolant manufacturers now offer some type of ELC product. Carmen Ulabarro, coolant marketing-Chevron, says the most recent trend is toward nitrite-free ELC. In fact, “Detroit Diesel will only be recommending the use of OAT (organic acid technology) ELC, along with fully formulated coolants that are phosphate-free and meet the chemical requirements of ASTM D6210,” he advises. “There seems to be a lot of focus on heat dissipation [with the new ...

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From the Print Issue

November 2009

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