I just run a half tank of 100 octane every six months to a year. If you are running 93 you should be good too go. Shell fuel is the best as it has the best additives and that is why they charge more. I have not use Chevron gas after Sebastian at Specialtyz told me how bad it was after he did a tune for me. He said it was so bad he drained it and added Shell fuel to complete the tune.
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Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:|Fast Intentions 3" TT-TDX|SpecialtyZ/Fast Intentions 72 Row Oil Cooler|SZ 6 Puck Clutch & Flywheel|3GsCustoms|Z1|Wavetrac|Hotchkis|Whiteline |Blitz|Fortune Auto 500|Fujimura|SPL|H&R|TK|TWM|RPM Rollbar|Sparco|Next Level Performance|TrackSpec|AeroFlow Dynamics|Pioneer|
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