Quote:
Originally Posted by Idle
I knew a guy that wore out his Mustang motor in 72,000 miles. The mechanic told him he was using the wrong grade of oil.
According to the mechanic (and I don't know much about Fords so I am just repeating what I have been told) the oil return holes in the heads are too small for the higher weight oil to run though at a speed needed to supply the oil pump. Therefore oil tends to get trapped on top of the heads and is not getting back to the oil pan fast enough to be pumped in the correct volume.
He started using the correct grade of oil and after nine years he still has the same used engine that was installed to replace his original.
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Isnt this more true of Nissan engines like the CA18 and RB25 - their oil drain holes were the size of pencils
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2012 BMW X5 (Beef + Granite suspension model)
1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)
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