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Not to my knowledge. If your car came from the dealer w/ 87 octane and you have since been running premium you should do the fuse pull. But you need to continue running premium. If you run a tank of regular, you'll have to start all over. Basically if you stick with the premium octane rating you'll be fine. Preformance is really sluggish w/ regular in an SS.
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Jayhawk500
2010 2SS/RS, Six speed, Rally Yellow w/ Black Painted Stripes, Boston Acoustic Stereo, Polished 20" wheels, Solo Mach X Catback Exhaust, Solo HF Cats, Halltech CAI, Full Dash & Door ABL, ABL Lit Homelink Buttons, HUD Installed, Ride Tunes, Full Electric Passenger Seat, Fbodfather signed, VIN # 4492, PAID OFF!!!
2010 Yellow 2SS/RS with black painted Stripes...$37,000.00; Ride Tones sound system and remote...$ 40.00; Seeing the kids faces (Young and Old) light up and almost wet their pants....Priceless!!!
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