
10-29-2014, 02:48 PM
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CC Member
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Join Date: Jun 2005
Cobra Make, Engine:
Posts: 3,077
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Not Ranked
block honing process for cylinder walls creates horizontal "grooves" this is necessary to hold oil. Theory is synthetic is to slippery and instead of the cylinder walls wearing in / taking the peaks off the grooves the synthetic is to slippery to wear in and it rolls/smears the peaks over and the rings never seat. I would give it 10k miles, that being said with all today advances in engine manufacturing I am sure the bit OEM have overcome this issue.
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