Thread: Best Oil
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Old 11-20-2012, 06:27 PM   #32
subi400
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Quote:
Originally Posted by eg33GC View Post
I would never run 0w on an old G K or up to v6 205/7
For what reasons???? Someones opinion

What you are not understanding here is that it is the operating temp that you are looking for in an oil. You want the best flow on start up hence the "0"w30, "0"w40 and then a good 0w"40" for best protection at operating temperature. There is a guy/vendor over on RS25.com who uses a 20w50 racing oil but complains why it is soo expensive to do oil changes but won't listen to anyone else's advice on running like a 5w50 oil which is actually cheaper....

So, tell me why wouldn't you run a 0w something oil in one of those engines?
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