CRC tests reveal valve seat damage in some vehicles from E15

05/21/2012
Engine durability tests by the Coordinating Research Council, which studies the interaction of engines and petroleum products, found leaks from uneven valve seat wear and pittage in two of eight 2001-09 vehicle engines run for 500 hr on a 15% ethanol-85% gasoline fuel blend, the organization supported by the American Petroleum Institute and automobile manufacturers said. "There are a minimum 5 million engines on the road today with characteristics similar to the ones that failed," API Pres. Jack N. Gerard told reporters during a May 16 teleconference. "It's not like we're talking about prospective application. We're applying this to the fleet that's on the road today. We be...
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