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Old 05-28-2004, 05:52 PM   #49
cary1
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Join Date: May 2004
Location: US
Posts: 94
My Ride: Car
Quote:
Originally Posted by Sicily1918
Cary, there have been rumors and/or speculations that Mobil 1 is no longer GroupIV because of the [supposed] Mobil vs. Castrol court battle over what adequately defines 'synthetic' oils. Is that all it is -- just a rumor? I was debating whether to use RedLine, Mobil 1, or Amsoil at my next change (about 2000 miles to go).

Incidentally, great write-up!

The rumors are exactly that, rumors. Mobil 1 is still a Group IV and considering Mobils investment in Group IV will likely continue to be. The following if from Mobil 1's website, and unless they are lying!!!

What is Mobil 1 and why is it now called Mobil 1 with SuperSyn™?


Mobil 1 is a fully synthetic motor oil for automotive engines. It is made from a unique combination of high-performance fluids, including polyalphaolefin (PAO), plus the SuperSyn™ anti-wear system for protection under the most extreme use. Mobil 1 with SuperSyn™ is available in five viscosity grades:

* Mobil 1 with SuperSyn™ 10W-30 –
Higher-Mileage Vehicle Formula


* Mobil 1 with SuperSyn™ 5W-30 –
Newer Vehicle Formula


* Mobil 1 with SuperSyn™ 15W-50 –
Performance Driving Formula


* Mobil 1 with SuperSyn™ 0W-30 –
Enhanced Fuel Economy Formula


* Mobil 1 with SuperSyn™ 0W-40 –
European Car Formula

Mobil 1 with SuperSyn™ is truly a global formulation, exceeding the latest standards from the government, the oil industry and vehicle manufacturers. For instance, the appropriate grades of Mobil 1 with SuperSyn™ exceed ILSAC GF-3, API Service SL/CF, European ACEA standards and Japanese valvetrain requirements. In addition, some viscosity grades exceed specific OEM standards. One example is Mobil 1 with SuperSyn™ 0W-40, which exceeds Mercedes Benz's 229.3 specification. As a CF rated oil, Mobil 1 with SuperSyn™ can also be used in diesel engines calling for a CD oil.

Cary
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