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Re: direct injection engines
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Originally Posted by kachok25
Could direct injection technology eliminate detnation problems in gasoline engines? After all you cannot detonate what is not there yet if gasoline in injected near top dead center it could only be burnd at the rate it is injected. this could be used to raise compression ratios or boost leavels in racing engines if I am not mistaken. The only problem that I could think of is the inability to create a completly homogenous mixture with direct injection (not enough time to completly vaporize the fuel), but I would think that it would be more than offset by the increased boost and or compression. However I do think that it would be difficult to pass emissions if you wanted to use it in a street legal engine. Someone give me your thoughts on this, it sounds logical to me but I am not sure how well it would work.
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You would probably be interested in what Audi has done with their R8, here is link discussing the benfits of their direct injection system:
http://www.audiworld.com/news/05/lem...s/062505.shtml
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