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Old 04-10-2012, 01:02 AM   #6
Mach828
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Join Date: Nov 2009
Location: Albuquerque, NM
Posts: 5,759
Re: switching from mobil 1 to Royal Purple

Quote:
Originally Posted by Supra View Post
I've heard it also works well as an engine break-in oil?
I've heard the same!
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