Thread: royal purple....?
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Old 04-30-2005, 07:48 PM   #13 (permalink)
Finnattic
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RP Analysis Looks Good After 4000 Miles.
Quote:
Originally Posted by virus
In all the oil analysis I've seen, it thins out way too much. It really isn't a very good oil for the daily commuter. It would be fine for racing conditions, but not very good for daily use. Redline, Mobil 1 and Amsoil show far superior UOA's, especially over extended drain intervals.
Here's a recent analysis of Royal Purple 5w30,4050 miles,03 5.3 Silverado that shows RP not thinning out and staying strong after over 4000 miles.
I'm not saying it doesn't thin out after normal change intervals. What I am saying is this particular analysis shows the opposite. It's nice to see a recent good analysis after over 4000 miles of RP.
http://theoildrop.server101.com/cgi/...c;f=3;t=002419
Quote:
Originally Posted by GETSOMZ28
They are a couple of folks who use it here. However, I have read many comments and UOAs which show RP thins out rather quickly. There are better oils out there. You really cant go wrong with M1 0w-40.
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Last edited by Finnattic; 04-30-2005 at 09:48 PM.
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