d_dibiase at yahoo.com
Mon Jan 23 21:24:29 EST 2006
I thought this had been discussed sometime but I searched in the archives and came up empty so..... I had my 25k mile oil and filter change done (at the dealer) about 1k miles ago. I was checking the oil yesterday and noticed that it seems to be pretty dark, almost black. Up to this point I have used Mobil1 0w-40, but forgot to buy it before I went to the dealer. Their standard oil is Castrol Syntec 5w-40. I thought I had read somewhere that synthetic oil tends to darken more quickly....? Does this make any sense?
'04 A4 1.8Tq MT-6
Central NJ USA
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