Hondaman_MI
Senior Member
- Joined
- Apr 19, 2018
- Threads
- 53
- Messages
- 550
- Reaction score
- 350
- Location
- USA
- Vehicle(s)
- 17' Civic EX-T
The Shell station I fill up at doesn't have 91 octane. Around here it's 87, 89 is midgrade, 93 is Shell's V-power premium. Will filling up with 93 be more beneficial compared to 91, using the base tunes?no, you'll want the "Flash drivers" specifically the one thats the v1.2/v2 flash software . and yeah you can drive on 91 no issues.
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