Quote:
Originally Posted by networkboy
So I'm switching from Valvoline blue 15W40 to Mobil 1 5w40.
Any thoughts of when to change the oil the first time through? I figure since there is almost a quart of old gunk in there I may want to shoot for a shorter interval than I normally would consider with the synthetic. Or is contamination not an issue with the mobile 1?
-nB
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I'd first drop the oil pan to see
if there's any gunk in there. That, and the valve cover. Take a look and see
if there's any gunk, before assuming there is. I've never found any gunk in
any of my engines. Up to 305K on one.......
none.