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Old 05-26-2011, 08:45 AM
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Re: Royal purple questions

My engine ran much rougher and louder using RP; I even used it for 3 oil changes before changing to Valvoline synpower, and the engine runs far smoother and quieter now. I would never reccomend RP for any modern engine after my experience. If it were any better than other oils, you would see at least one NASCAR, F1, Indy, ALMS, Rolex,,,team using it to gain any advantage, but not the case.
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5.7 Hemi, Modern Muscle 85 mm CNC ported TB, Apexi super voltage stabilizer, Billet Tech. Catch Can, Koni FSD shocks/struts, SRT8 sway bars, Cooper AT3's, Amsoil fluids, Diablosport Intune CMR tuned by Hemifever tuning.
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  #14  
Old 05-26-2011, 08:59 AM
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Re: Royal purple questions

BTW you don't have MDS if you have a 2006 4.7
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2007 Jeep Grand Cherokee 4.7L, 4x4

Done: Tow Hooks, Amsoil Severe Gear 75w-140, Amsoil Air Filter, Amsoil 0w-20, Amsoil T-Case, NGK V-Power, Skid Plate Front and Front Engine, Front Hitch, Hypergrounding, Shorty Antenna, 2" Old Man Emu Lift, Nitto Terra Graplers, Rola Rack
Need to be Done:Magnaflow Muffler, Fuel & Tcase Skid Plate,
The Electronics:Escort 9500ix, 400 Watt Inverter, Rockford Fosgate P2, Viper 5901, CB Radio, DB Drive 6.5, SuperChips, Rigid Dually Flood (Front), Rigid Dually Diffused (Backup)
Future Electronics: Mopar/Kicker 6x9 and dash, Scanner
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