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nothing... my point is after looking at those pictures I think the owner was lieing.. (I mean its not un heard of for people to lie) I'm no pro we all know that but I know enough about wear and IMO those pictures come off to look like pictures that starved for oil.. maybe not always but many times..
saying "well I only drove about 200 miles with it low" is like saying well I only drove it DRY for 50 miles.. One persons word can be stretched to anything they want to say..
Again I am not taking the side of 5w20 I'm just thinking there is more to this then JUST oil.. because 5w20 or 20w50 you still have protection..and remember using heavier oil can actually put more abuse on an engine because it takes more force to turn the oil.
but again who really knows I am just confident that there is more to those pictures then oil weight.
look at the heat marks.. anything with oil in it (oil is a lubricant, cooling) will prolong any wear. those marks tell me that that part of the engine did not have sufficient lubrication.. and that has nothing to do with oil weight.
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