Quote:
Originally Posted by AZP Installs
I wouldn't exceed the factor interval to maintain warranty validity.
With that said, we have had Motul oil's checked at blackstone and the results are staggeringly amazing. They told one of our customers it was almost as good as new after almost 4000 miles.
-Mike Paisan
   
11+ Years Maintaining, Modifying and Educating TriState Subaru Enthusiasts.
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Was that the new Motul 300V?
As far as the OCI, I don't see the point in pushing it past the 3500 mile "severe" call-out in the manual. Severe duty is really much broader than people realize. If you have a 1-5 mile commute, you have severe duty because you never burn off the gas that leaks into the oil, if you drive in a dusty area, if you drive in a hilly area, a lot of stop and go traffic. These can all be considered for the recommended 3500 oci. I believe what I read in the manual for this, especially with a brand new unknown track record engine like this.