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      06-24-2010, 07:25 PM   #15
Oulixes
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Quote:
Originally Posted by chemgeek View Post
Interesting, I thought the N54 engine was an aluminum block and was not the magnesium alloy used in the N52???
In the N52, the pistons move in magnesium alloy cylinder bore just like in the 70s General Motors Vega of ill fame; the N54 engine uses cast iron cylinder liners.