Compression & Leakdown

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DavidM Isuzu Junior Posts: 54	Compression & Leakdown May 14, 2005 19:44:41 GMT 11 Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by DavidM on May 14, 2005 19:44:41 GMT 11 The 1996 3.1 Mu I bought this morning has leakdown figures of 94, 96, 96 and 94 Compression is 465, 475, 480 and 470. How good (or otherwise) are these figures please? Regards, David

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Compression & Leakdown May 15, 2005 13:24:19 GMT 11

Post by geeves on May 15, 2005 13:24:19 GMT 11

15psi variance between cylinders is a little high but ok as this could be due to the procedure used. The book says compression test should be 426psi so thers nothing wrong with the lowest figure of 465. I dont know how to interpret leak down figures