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Old 01-02-2014, 09:51 AM
Morris Morris is offline
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Join Date: Dec 2003
Location: Gurnee, IL
Cobra Make, Engine: Kirkham #259
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Quote:
Originally Posted by Ant View Post
I see Mobil don't recommend this oil for the street, I assume this is due to the higher anti wear properties like Zinc etc which affect catalytic converters. I am interested in this oil for racing and a bit of street use. I wonder if you would use the OW30 in the colder months....
Correct.......

Porsche uses 0W40 and it seems to be a good compromise.....

We ran 0W50 in our Dry Sump system and it worked fine...
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