03-28-2009, 11:12 AM
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#1
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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my local autozone has Castrol syntec $25 for a case of 5, $7 each for M1 and $9 for RP.
hmmm....I'm tempted to go with the Castrol and change it a little more frequently than the RP.
How long is the shelf life for motor oil? I see oil prices moving higher and sooner than most folks expect. My local pump just jumped 7% in a week for high test.
Wonder if stocking up is smart.
__________________
GT3 Recaro Seats - Boxster Red
GT3 Aero / Carrera 18" 5 spoke / Potenza RE-11
Fabspeed Headers & Noise Maker
BORN: March 2000 - FINLAND
IMS#1 REPLACED: April 2010 - NEW JERSEY -- LNE DUAL ROW
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03-28-2009, 01:41 PM
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#2
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Registered User
Join Date: Nov 2007
Location: Chicago suburbs
Posts: 1,675
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If you haven't read this before, do yourself a favor...
http://www.lnengineering.com/oiltest.pdf
__________________
JGM
2002 Boxster S
1973 911 Green FrankenMeanie
PCA DE Instructor circa '95
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03-28-2009, 07:23 PM
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#3
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Registered User
Join Date: Feb 2009
Location: Ann Arbor, MI
Posts: 287
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Nice report
I guess I will use the Valvoline in my wife's car...
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06-17-2009, 03:26 PM
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#4
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Registered User
Join Date: Mar 2007
Location: Ohio
Posts: 2,027
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Quote:
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Originally Posted by jmatta
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Why, I wondered, have so few people commented about this test result? Do people not put much stock in the testing protocol and, hence, the results. Those results would seem to indicate we shouldn't be using oils such as Red Line, Elf, Mobil 1, and Castrol, oils that are often popular with folks on this forum.
Just playing devil's advocate here...I don't profess to know a ton about the subject, though I have been reading a fair amount online (to the point where my head's swimming and I think I've gone slightly cross-eyed!)
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06-17-2009, 05:38 PM
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#5
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Registered User
Join Date: Jun 2005
Location: Surf City, NC
Posts: 1,079
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There are comments all over the web, and not just on Porsche sites. There are a lot af different agendas. One being a hesitance to go outside factory recommendations.
Well, I'm off warranty and was still reluctant. I probably would've gone with M1 5w-40 that is on the approved list had it been available in US.
The research is overwhelmingly clear. There are better oils that the factory and others are reluctant to recommend for a lot of reasons. Like the Factory being politically and environmentally EU correct. Another being lawsuits when an engine fails using a non-factory-recommended that was recommended by Party of the First Part, One Snake Oil Salesman of XYZ, LLC.
As most sellers say, "Do the research and decide what you need." Or maybe even "I would not put Mobil 1 in My Engine."
To which I say: I did, I did, and I won't. 
__________________
Mike
04 Boxster S - Basalt/Savanna, 6sp, Carrera lites, hardtop
70 914-6 - Black over tan, original/stock
PCA since 1970
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09-14-2009, 05:57 AM
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#6
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Registered User
Join Date: Oct 2008
Location: Ohio
Posts: 868
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Back On Topic
This post started as a Mobil 1 rebate string, but seems to have gone all over since then.
So, I'll bring it back. It took 10 weeks, but I got my rebate check today for two rebate offers. Got my check for $20. Thanks Mobil!!
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09-14-2009, 07:32 AM
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#7
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Registered User
Join Date: Jul 2007
Location: Texarkana, Texas
Posts: 959
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Quote:
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Originally Posted by schnellman
This post started as a Mobil 1 rebate string, but seems to have gone all over since then.
So, I'll bring it back. It took 10 weeks, but I got my rebate check today for two rebate offers. Got my check for $20. Thanks Mobil!!
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Cool.... I had to get oil for my Box and 996. So I sent in 4 rebates using two addresses. I'm hoping that works and that I get $40 back!!! 
Kirk
__________________
2000 Boxster S - Gemballa body kit, GT3 front bumper, JRZ coilovers, lower stress bars
2003 911 Carrera 4S - TechArt body kit, TechArt coilovers, HRE wheels
1986 911 Carrera Targa - 3.2L, Euro pistons, 964 cams, steel slant nose widebody
1975 911S Targa - undergoing a full restoration and engine rebuild
Also In The Garage - '66 912, '69 912, '72 914 Chalon wide body, '73 914
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