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Mixing Synthetic & regular oil
Can mixing synthetic (Mobile 1 ) oil and regular oil cause any problems in a 964?
thanks |
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07-23-2006, 01:33 PM
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Join Date: Dec 2005
Location: In a race car somewhere...
Posts: 362
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Mixing is usually not an issue at all. Unless you are using a castor based oil i would not be concerned.
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brant giere 2005 996 cup 1991 964 euro cup (Larbre #28- race 1987 carrera 3.2-street/de car 1962 Austin Healey 3000 |
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07-23-2006, 02:05 PM
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Join Date: Sep 2002
Location: Central Virginia
Posts: 414
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I've heard the same. Don't add synthetic to an engine that hasn't been running synthetic regularly, but you can certainly add regular oil to a synthetic-using engine.
Paul
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Paul '87 Carrera cab; '19 Ford Flex for the Dane and Lab; '17 Tacoma for truck stuff. '96 993 cab (gone, oops); '82 SC (gone) |
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07-23-2006, 04:03 PM
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Now in 993 land ...
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Mixing is better than running out of oil, which is what would have happened otherwise, I assume. However, I'd change the oil sooner than later - not waiting for the next interval. For the next time, just keep a quart or two of the matching oil in the car.
 Cheers, George |
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07-23-2006, 08:55 PM
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Join Date: Nov 2004
Location: Planet Earth
Posts: 4,868
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Yes, you can mix, but why do you want to?
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Downshift |
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07-24-2006, 07:39 AM
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Join Date: Dec 2002
Location: Dahlonega , Georgia
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No issue.
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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08-02-2006, 08:58 AM
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1983 Porsche 944 
