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Castrol (German) Syntec 0W-30 vs. Mobil1 0W-40
Which oil is the better, Castrol 0W-30 (German) or Mobil1 0W-40?
Does anyone have an analysis for the Castrol oil? Thanks. Last edited by movin; 03-10-2007 at 06:09 AM.. |
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03-09-2007, 09:42 PM
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durn for'ner
Join Date: Feb 2005
Location: South of Sweden
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Similar to my question. I have used Mobil 1 0w40 previously and with no complaint. Got a free fill with Castrol Softec 5w40 that I could not resist. With all the talk about lower additive levels in new oils I started to search for the content in the Castrol oil - no cigar.
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Markus Resident Fluffer Carrera '85 |
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03-09-2007, 11:33 PM
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For a really deep discussion on oils visit www.bobistheoilguy.com
They are about as nutty on oil as we are about our Porsche's. David
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'89 3.2 Carrera Coupe-Silver Anniversary-sold '06 GTI/DSG |
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03-10-2007, 05:15 AM
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I can't find any info. about additives regarding the Castrol (German) Syntec 0W-30. However, there is a loyal following that touts this brew as superior to all else so I thought I would check it out. Many, from Corvette, BMW, Audi, and VW owners, and the ricers, rave about extremely low wear numbers. I wouldn't use it my '87 Carrera but would in my 4Runner and Corvette if it's as good as some say. Possibly a good choice for the 996 and 997 guys.
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03-10-2007, 06:18 AM
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M1 0w-40 is is currently approved by Porsche for all 911-997
Castrol is 0w-30 isn't on the list
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Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | |
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03-10-2007, 06:26 AM
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Thanks. That's what I thought.
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03-10-2007, 02:46 PM
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Quote:
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03-10-2007, 04:52 PM
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Location: In a race car somewhere...
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Castrol 0w30 is a fine oil, but it does not meet the specs set by Porsche...namely the HTHS is too low...An oil needs a HTHS rating of at least 3.6 to make the grade....It is but one crtiteria but it is an important one.
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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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03-10-2007, 06:03 PM
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Quote:
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03-10-2007, 07:17 PM
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2022 GT3 Manual, 73 Carrera RS 2.9 Twin-Plug MFI Carbon Fiber Replica Former: 18 GT3 Manual,16 Cayman GT4, 73 911S, Two 951S's, 996 C2, 993 C2, BMW 635CSi Euro, Ferrari 550 Maranello, 06 Evo IX w/ many mods |
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03-10-2007, 09:19 PM
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But the German Castrol 0W-30 bottle does state it's Porsche approved. I'm looking at a bottle right now. Got it at Autozone on sale now. Maybe you guys are thinking about the USA brew. This is the German oil.
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03-15-2007, 07:09 PM
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Oops, I noticed the bottle that said Porsche approved is the older green formula. The new gold colored formula you get today no longer says Porsche Approved.
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03-16-2007, 12:43 PM
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1976 Porsche Carrera 3.0
1995 Porsche 993 Carrera Coupe
1981 Porsche 911SC 3.0L
1973 Porsche Carrera RS 2.7 Replica 2.7RS
