Oil Color

[SuffolkD at aol.com]

Dan:
Provided your enginee isn't "sludged" its the detergents working in the 
enginee cleaning away. -Scott by BOSTON

> From: Dan DiBiase <>
> 
> 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? 
>