Thread: 50-75% improved fuel economy news story... 'supercritical fuel inejctors'
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Old 05-21-2010, 12:54 PM   #5 (permalink)
37Z
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Originally Posted by phelan View Post
I'd bet pretty good money the ceramic material didn't hold up to vibration testing.
Porsche used ceramic intake inserts on the 944 turbo engine. They were prone to rattling due to differing heat characteristics.
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