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Email a Friend	Article: Torquing Heads
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Message:	I found this article at autospeed.com and thought you might be interested in reading it: 'Torquing Heads' - The applied torque of the head bolts depends as much on the metallurgy of the head as anything else. Most of the cylinder heads in vehicles today are made from some form of aluminium alloy. Different alloys and their heat treatments are designed to perform in different environments; consequently there are no uniform rules governing their characteristics. To understand the way aluminium and its alloys behave when used to form cylinder heads, we have to firstly understand and appreciate some fundamentals. You can read the article at: http://www.autospeed.com/A_108653/cms/article.html