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Old 11-02-2011, 10:58 AM   #4
NavyDood
Retired Navy
 
Drives: 2010 2SS/RS
Join Date: Mar 2011
Location: NW of DFW
Posts: 915
IMO no, you won't gain anything with it over Mobil 1. With Mobil 1 you know what you are getting, a group III based oil. Royal Purple will not disclaim what base their oil is made of. Research scatters like roaches at night when a light is turned on. It could be a blend of group III thru group V or a group IV. You are over paying for some unknown secret that IMO hasn't proven itself any better than Mobile 1 or Pennzoil Ultra and a pretty purple dye added that doesn't even stay purple very long.

Last edited by NavyDood; 11-02-2011 at 02:52 PM.
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