Quote:
Originally Posted by Harpua
I would avoid sweeping assumptions like this. For example, my engine has required less top-ups since my switch to Mobil 1 0w40.
Also, a few people are propagating the notion that iron wear rises with 0w40 as well, and I have yet to witness significant proof. It very well might happen, but association does not equal causation.
The problem here (and with the bearing issue as a whole) is that the sample size is very under-powered and the variables too numerous for any specific conclusions.
It would seem on this discussion board, if ideas are repeated enough times, they become accepted wisdom and treated as fact. Tread carefully.
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I totally agree...I log and chart all the engine failures to provide some sort of perspective to that issue and still get flak when the results don't agree with what some people want to believe.
I have seen plenty of reports of increased oil consumption with M1 but its not definitive. It requires someone to collate all the UOAs for M1 and TWS and look for trends as well as cross check for reports of higher oil consumption. Its no small enterprise and I certainly can't be bothered.