August 21, 201311 yr comment_430212 I fixed two efi cars whose engine compartments rattled at 3500 rpm.... it was the heat shield under the intake plenum. Link to comment https://www.classiczcars.com/forums/topic/47217-chain-rattle-after-oil-change/?&page=2#findComment-430212 Share on other sites More sharing options...
August 22, 201311 yr comment_430234 Tea Leaf Paradox http://www.crank-scrapers.com/ebay%20ads/ebay_index.htm MY WAGThe new oil is sticking to the crank more then the old oil that is thinner. Link to comment https://www.classiczcars.com/forums/topic/47217-chain-rattle-after-oil-change/?&page=2#findComment-430234 Share on other sites More sharing options...
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