Oil will get darker over time. Especially if you've switched from Dino to
Synthetic. It's basically cleaning the internals from the Dino oil. Give
it a few oil changes...the oil should turn back to a more normal color (less
dark).
- Bernd
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net]On Behalf Of Chris Spotts
Sent: Sunday, March 25, 2001 10:49 AM
To: DML list
Subject: DML: Dark Oil?
Ok guys (and girls), here's another question about oil. I switched over to
synthetics 2 oil changes ago (about 39000 miles on the odo). The first time
I used castrol syntec and the second time I used mobile 1 (plus the good
purolator filter). My question to you guys is: should the oil become
gradually darker and darker as I drive? I have about 2000 miles on the
truck since the last oil change and the oil is noticeably darker. I never
have to add any oil and it's always the same level on the dipstick. Should
I worry that the oil is getting so dark? Or is it just because I waited so
long to change it that the synthetic is still mixing with the old dino
stuff?
One more question: can I mix oils? I have 2 qts of castrol syntec 10w30
and 2 quarts of mobile 1 5w30. Anyone think I can make some "castrol 1"
7.5w/30?
-Chris
ps- sorry for such a long post on such a boring topic
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