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Talk:Petrol engine

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This is an old revision of this page, as edited by Biscuittin (talk | contribs) at 18:03, 28 May 2007 (added text). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

what the function of four vale per cylinder of petrol engine?

There are two inlet and two exhaust valves. This gives a bigger valve area which allows the engine to run more efficiently. Biscuittin 18:03, 28 May 2007 (UTC)[reply]
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