Thread: Royal Purple. Engine Damage In The Long Term?
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Old 02-01-2011, 01:04 AM   #16 (permalink)
dad
Grand Prix of Endurance
 
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Join Date: Nov 2008
Location: Tennessee
Posts: 3,476
Drives: Mulsanne Straight
Rep Power: 26
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Quote:
Originally Posted by Waizzz View Post
7-8K, really?

I was running RP for awhile and once went all the way to 6K and it turned to sludge.

I now just run M1 to about 5K and have had no problems, I as a general rule would never run to your intervals OP.
What year, make, and model was that, that slugged?
7,500 is the limit for Synthetic oil, the OP is fine!
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Last edited by dad; 02-01-2011 at 01:19 AM.
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