When you replaced the tensioners did you install the updated IMS tensioner with the large preload spring? It is critical to optimize the issue. If you remove it you can inspect the IMS tensioner paddle wear button for wear. If it is worn down flat, you have excessive clearance requiring removal of the crankshaft housing to replace the paddle.
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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