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Saab oil spec
Posted by Stephen Goldberger (more from Stephen Goldberger) on Thu, 1 Sep 2005 07:24:40
In Reply to: Change in Spec: <2004 vs >2004 ???, robp, Thu, 1 Sep 2005 06:40:01
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The change in spec for the 2004 model year was to "rationalize" Saab to a single produt for warranty (i.e., Saab paid for) oil changes. Same motor in terms of oil requirements.
IMO MObil 0W40 is a fine product with impressive redentials (GM and BMW Long Life, Mercedes and VW approvals, along with ACEA and API approvals), but it's a little too thin to properly control the crank shaft motion. The newest oil pump requires that the crank stay right in the middle of it's bearing centers to remain effective - that requires a high viscosity oil film. I'd recommend AmSoil 5W40 as an oil that meets GM long life and all the other relevant API and ACEA requirements, plus in addition it meets API Heavy Duty (diesel) oil specs, which means a higher degree of EP wear additives and increased ability to acommodate blow-by. For something more economical and more readily availabile, any full synthetic 5W40 diesel oil, such as Mobil I 5W40 or Shell Rotella T 5W40 would be my preference for 9-5 4 cylinder motors over Mobil 1 0W40.
posted by 65.25.6...
Posts in this Thread:
- Saab USA oil recomendation, Mark, Wed, 31 Aug 2005 20:11:45
- drive clean = syn blend? yes, see link, 9to5, Sat, 3 Sep 2005 07:43:41
- Need help with crankcase vent hose relacement, Razl, Fri, 2 Sep 2005 11:00:46
- 3,000 miles should be O.K, J, Thu, 1 Sep 2005 06:30:27
- Re: Saab USA oil recomendation, SWEDECAR
, Wed, 31 Aug 2005 22:01:20
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