Quote:
Originally Posted by BRZnut
It claims to be better than Mobil-1 and that it has a Noack of 12.5.
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PUP is great oil, but just an fyi that the comparisons that Pennzoil does (ASTM Sequence IIIG and VG tests) to Mobil1 is on the 5W-30 grades.
http://www.pennzoil.com/motor-oil/
-Dennis